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Finding the Fourth Proportional to 29,485.74, 44,124.74 and 18,397.65

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Solution

The fourth proportional to 29,485.74, 44,124.74 and 18,397.65 is: 27,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,485.74 : 44,124.74 = 18,397.65 : x
  2. Step 2: Convert to fraction form
    29,485.74/44,124.74 = 18,397.65/x
  3. Step 3: Cross multiply
    29,485.74x = 44,124.74 × 18,397.65
  4. Step 4: Simplify right side
    29,485.74x = 811,791,430.87
  5. Step 5: Solve for x
    x = 811,791,430.87/29,485.74
  6. Step 6: Final answer
    x = 27,531.66

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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.