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Finding the Fourth Proportional to 62,641.07, 86,445.80 and 34,344.93

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Solution

The fourth proportional to 62,641.07, 86,445.80 and 34,344.93 is: 47,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,641.07 : 86,445.80 = 34,344.93 : x
  2. Step 2: Convert to fraction form
    62,641.07/86,445.80 = 34,344.93/x
  3. Step 3: Cross multiply
    62,641.07x = 86,445.80 × 34,344.93
  4. Step 4: Simplify right side
    62,641.07x = 2,968,974,949.79
  5. Step 5: Solve for x
    x = 2,968,974,949.79/62,641.07
  6. Step 6: Final answer
    x = 47,396.62

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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.