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Finding the Fourth Proportional to 67,898.38, 93,698.36 and 37,681.95

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Solution

The fourth proportional to 67,898.38, 93,698.36 and 37,681.95 is: 52,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,898.38 : 93,698.36 = 37,681.95 : x
  2. Step 2: Convert to fraction form
    67,898.38/93,698.36 = 37,681.95/x
  3. Step 3: Cross multiply
    67,898.38x = 93,698.36 × 37,681.95
  4. Step 4: Simplify right side
    67,898.38x = 3,530,736,259.70
  5. Step 5: Solve for x
    x = 3,530,736,259.70/67,898.38
  6. Step 6: Final answer
    x = 52,000.30

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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.