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Finding the Fourth Proportional to 63,176.71, 87,185.66 and 34,498.19

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Solution

The fourth proportional to 63,176.71, 87,185.66 and 34,498.19 is: 47,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,176.71 : 87,185.66 = 34,498.19 : x
  2. Step 2: Convert to fraction form
    63,176.71/87,185.66 = 34,498.19/x
  3. Step 3: Cross multiply
    63,176.71x = 87,185.66 × 34,498.19
  4. Step 4: Simplify right side
    63,176.71x = 3,007,747,291.46
  5. Step 5: Solve for x
    x = 3,007,747,291.46/63,176.71
  6. Step 6: Final answer
    x = 47,608.48

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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.