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Finding the Fourth Proportional to 29,125.40, 43,707.30 and 10,657.40

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Solution

The fourth proportional to 29,125.40, 43,707.30 and 10,657.40 is: 15,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,125.40 : 43,707.30 = 10,657.40 : x
  2. Step 2: Convert to fraction form
    29,125.40/43,707.30 = 10,657.40/x
  3. Step 3: Cross multiply
    29,125.40x = 43,707.30 × 10,657.40
  4. Step 4: Simplify right side
    29,125.40x = 465,806,179.02
  5. Step 5: Solve for x
    x = 465,806,179.02/29,125.40
  6. Step 6: Final answer
    x = 15,993.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.