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Finding the Fourth Proportional to 19,952.79, 29,929.46 and 9,562.11

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Solution

The fourth proportional to 19,952.79, 29,929.46 and 9,562.11 is: 14,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.79 : 29,929.46 = 9,562.11 : x
  2. Step 2: Convert to fraction form
    19,952.79/29,929.46 = 9,562.11/x
  3. Step 3: Cross multiply
    19,952.79x = 29,929.46 × 9,562.11
  4. Step 4: Simplify right side
    19,952.79x = 286,188,740.95
  5. Step 5: Solve for x
    x = 286,188,740.95/19,952.79
  6. Step 6: Final answer
    x = 14,343.29

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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.