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Finding the Fourth Proportional to 67,402.68, 93,017.48 and 37,188.40

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Solution

The fourth proportional to 67,402.68, 93,017.48 and 37,188.40 is: 51,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,402.68 : 93,017.48 = 37,188.40 : x
  2. Step 2: Convert to fraction form
    67,402.68/93,017.48 = 37,188.40/x
  3. Step 3: Cross multiply
    67,402.68x = 93,017.48 × 37,188.40
  4. Step 4: Simplify right side
    67,402.68x = 3,459,171,253.23
  5. Step 5: Solve for x
    x = 3,459,171,253.23/67,402.68
  6. Step 6: Final answer
    x = 51,320.97

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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.