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Finding the Fourth Proportional to 62,510.79, 86,264.90 and 33,830.46

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Solution

The fourth proportional to 62,510.79, 86,264.90 and 33,830.46 is: 46,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,510.79 : 86,264.90 = 33,830.46 : x
  2. Step 2: Convert to fraction form
    62,510.79/86,264.90 = 33,830.46/x
  3. Step 3: Cross multiply
    62,510.79x = 86,264.90 × 33,830.46
  4. Step 4: Simplify right side
    62,510.79x = 2,918,381,248.85
  5. Step 5: Solve for x
    x = 2,918,381,248.85/62,510.79
  6. Step 6: Final answer
    x = 46,686.04

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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.