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Finding the Fourth Proportional to 67,475.84, 93,127.88 and 40,255.43

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Solution

The fourth proportional to 67,475.84, 93,127.88 and 40,255.43 is: 55,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,475.84 : 93,127.88 = 40,255.43 : x
  2. Step 2: Convert to fraction form
    67,475.84/93,127.88 = 40,255.43/x
  3. Step 3: Cross multiply
    67,475.84x = 93,127.88 × 40,255.43
  4. Step 4: Simplify right side
    67,475.84x = 3,748,902,786.80
  5. Step 5: Solve for x
    x = 3,748,902,786.80/67,475.84
  6. Step 6: Final answer
    x = 55,559.19

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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.