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Finding the Fourth Proportional to 61,575.49, 84,972.47 and 34,717.76

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Solution

The fourth proportional to 61,575.49, 84,972.47 and 34,717.76 is: 47,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,575.49 : 84,972.47 = 34,717.76 : x
  2. Step 2: Convert to fraction form
    61,575.49/84,972.47 = 34,717.76/x
  3. Step 3: Cross multiply
    61,575.49x = 84,972.47 × 34,717.76
  4. Step 4: Simplify right side
    61,575.49x = 2,950,053,820.07
  5. Step 5: Solve for x
    x = 2,950,053,820.07/61,575.49
  6. Step 6: Final answer
    x = 47,909.55

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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.