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Finding the Fourth Proportional to 67,955.43, 93,775.90 and 37,742.68

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Solution

The fourth proportional to 67,955.43, 93,775.90 and 37,742.68 is: 52,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,955.43 : 93,775.90 = 37,742.68 : x
  2. Step 2: Convert to fraction form
    67,955.43/93,775.90 = 37,742.68/x
  3. Step 3: Cross multiply
    67,955.43x = 93,775.90 × 37,742.68
  4. Step 4: Simplify right side
    67,955.43x = 3,539,354,248.94
  5. Step 5: Solve for x
    x = 3,539,354,248.94/67,955.43
  6. Step 6: Final answer
    x = 52,083.46

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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.