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Finding the Fourth Proportional to 19,807.62, 29,695.02 and 9,272.46

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Solution

The fourth proportional to 19,807.62, 29,695.02 and 9,272.46 is: 13,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.62 : 29,695.02 = 9,272.46 : x
  2. Step 2: Convert to fraction form
    19,807.62/29,695.02 = 9,272.46/x
  3. Step 3: Cross multiply
    19,807.62x = 29,695.02 × 9,272.46
  4. Step 4: Simplify right side
    19,807.62x = 275,345,885.15
  5. Step 5: Solve for x
    x = 275,345,885.15/19,807.62
  6. Step 6: Final answer
    x = 13,901.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.