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Finding the Fourth Proportional to 42,875.01, 64,314.23 and 11,710.17

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Solution

The fourth proportional to 42,875.01, 64,314.23 and 11,710.17 is: 17,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,875.01 : 64,314.23 = 11,710.17 : x
  2. Step 2: Convert to fraction form
    42,875.01/64,314.23 = 11,710.17/x
  3. Step 3: Cross multiply
    42,875.01x = 64,314.23 × 11,710.17
  4. Step 4: Simplify right side
    42,875.01x = 753,130,508.17
  5. Step 5: Solve for x
    x = 753,130,508.17/42,875.01
  6. Step 6: Final answer
    x = 17,565.72

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