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Finding the Fourth Proportional to 7,000.48, 10,449.49 and 6,170.12

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Solution

The fourth proportional to 7,000.48, 10,449.49 and 6,170.12 is: 9,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.48 : 10,449.49 = 6,170.12 : x
  2. Step 2: Convert to fraction form
    7,000.48/10,449.49 = 6,170.12/x
  3. Step 3: Cross multiply
    7,000.48x = 10,449.49 × 6,170.12
  4. Step 4: Simplify right side
    7,000.48x = 64,474,607.24
  5. Step 5: Solve for x
    x = 64,474,607.24/7,000.48
  6. Step 6: Final answer
    x = 9,210.03

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.