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Finding the Fourth Proportional to 9,040.01, 12,475.20 and 5,503.22

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Solution

The fourth proportional to 9,040.01, 12,475.20 and 5,503.22 is: 7,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.01 : 12,475.20 = 5,503.22 : x
  2. Step 2: Convert to fraction form
    9,040.01/12,475.20 = 5,503.22/x
  3. Step 3: Cross multiply
    9,040.01x = 12,475.20 × 5,503.22
  4. Step 4: Simplify right side
    9,040.01x = 68,653,728.41
  5. Step 5: Solve for x
    x = 68,653,728.41/9,040.01
  6. Step 6: Final answer
    x = 7,594.43

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.