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Finding the Fourth Proportional to 17,005.92, 23,464.53 and 9,929.13

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Solution

The fourth proportional to 17,005.92, 23,464.53 and 9,929.13 is: 13,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.92 : 23,464.53 = 9,929.13 : x
  2. Step 2: Convert to fraction form
    17,005.92/23,464.53 = 9,929.13/x
  3. Step 3: Cross multiply
    17,005.92x = 23,464.53 × 9,929.13
  4. Step 4: Simplify right side
    17,005.92x = 232,982,368.76
  5. Step 5: Solve for x
    x = 232,982,368.76/17,005.92
  6. Step 6: Final answer
    x = 13,700.07

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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.