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Finding the Fourth Proportional to 67,610.79, 93,291.80 and 37,390.23

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Solution

The fourth proportional to 67,610.79, 93,291.80 and 37,390.23 is: 51,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,610.79 : 93,291.80 = 37,390.23 : x
  2. Step 2: Convert to fraction form
    67,610.79/93,291.80 = 37,390.23/x
  3. Step 3: Cross multiply
    67,610.79x = 93,291.80 × 37,390.23
  4. Step 4: Simplify right side
    67,610.79x = 3,488,201,672.16
  5. Step 5: Solve for x
    x = 3,488,201,672.16/67,610.79
  6. Step 6: Final answer
    x = 51,592.38

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Double scale
Find fourth proportional to 67,611.79, 93,293.17 and 37,391.23
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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.