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Finding the Fourth Proportional to 62,510.64, 86,266.50 and 34,218.15

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Solution

The fourth proportional to 62,510.64, 86,266.50 and 34,218.15 is: 47,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,510.64 : 86,266.50 = 34,218.15 : x
  2. Step 2: Convert to fraction form
    62,510.64/86,266.50 = 34,218.15/x
  3. Step 3: Cross multiply
    62,510.64x = 86,266.50 × 34,218.15
  4. Step 4: Simplify right side
    62,510.64x = 2,951,880,036.98
  5. Step 5: Solve for x
    x = 2,951,880,036.98/62,510.64
  6. Step 6: Final answer
    x = 47,222.04

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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.