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Finding the Fourth Proportional to 63,010.88, 86,955.02 and 34,717.17

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Solution

The fourth proportional to 63,010.88, 86,955.02 and 34,717.17 is: 47,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,010.88 : 86,955.02 = 34,717.17 : x
  2. Step 2: Convert to fraction form
    63,010.88/86,955.02 = 34,717.17/x
  3. Step 3: Cross multiply
    63,010.88x = 86,955.02 × 34,717.17
  4. Step 4: Simplify right side
    63,010.88x = 3,018,832,038.11
  5. Step 5: Solve for x
    x = 3,018,832,038.11/63,010.88
  6. Step 6: Final answer
    x = 47,909.70

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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.