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Finding the Fourth Proportional to 67,862.68, 93,650.52 and 38,054.68

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Solution

The fourth proportional to 67,862.68, 93,650.52 and 38,054.68 is: 52,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,862.68 : 93,650.52 = 38,054.68 : x
  2. Step 2: Convert to fraction form
    67,862.68/93,650.52 = 38,054.68/x
  3. Step 3: Cross multiply
    67,862.68x = 93,650.52 × 38,054.68
  4. Step 4: Simplify right side
    67,862.68x = 3,563,840,570.43
  5. Step 5: Solve for x
    x = 3,563,840,570.43/67,862.68
  6. Step 6: Final answer
    x = 52,515.47

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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.