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Finding the Fourth Proportional to 67,043.50, 92,526.45 and 38,357.45

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Solution

The fourth proportional to 67,043.50, 92,526.45 and 38,357.45 is: 52,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,043.50 : 92,526.45 = 38,357.45 : x
  2. Step 2: Convert to fraction form
    67,043.50/92,526.45 = 38,357.45/x
  3. Step 3: Cross multiply
    67,043.50x = 92,526.45 × 38,357.45
  4. Step 4: Simplify right side
    67,043.50x = 3,549,078,635.81
  5. Step 5: Solve for x
    x = 3,549,078,635.81/67,043.50
  6. Step 6: Final answer
    x = 52,936.96

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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.