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Finding the Fourth Proportional to 9,605.01, 13,247.23 and 6,620.16

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Solution

The fourth proportional to 9,605.01, 13,247.23 and 6,620.16 is: 9,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.01 : 13,247.23 = 6,620.16 : x
  2. Step 2: Convert to fraction form
    9,605.01/13,247.23 = 6,620.16/x
  3. Step 3: Cross multiply
    9,605.01x = 13,247.23 × 6,620.16
  4. Step 4: Simplify right side
    9,605.01x = 87,698,782.16
  5. Step 5: Solve for x
    x = 87,698,782.16/9,605.01
  6. Step 6: Final answer
    x = 9,130.52

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.