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Finding the Fourth Proportional to 67,148.49, 92,679.90 and 52,583.78

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Solution

The fourth proportional to 67,148.49, 92,679.90 and 52,583.78 is: 72,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,148.49 : 92,679.90 = 52,583.78 : x
  2. Step 2: Convert to fraction form
    67,148.49/92,679.90 = 52,583.78/x
  3. Step 3: Cross multiply
    67,148.49x = 92,679.90 × 52,583.78
  4. Step 4: Simplify right side
    67,148.49x = 4,873,459,506.53
  5. Step 5: Solve for x
    x = 4,873,459,506.53/67,148.49
  6. Step 6: Final answer
    x = 72,577.35

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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.