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Finding the Fourth Proportional to 92,963.53, 128,284.76 and 52,677.78

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Solution

The fourth proportional to 92,963.53, 128,284.76 and 52,677.78 is: 72,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,963.53 : 128,284.76 = 52,677.78 : x
  2. Step 2: Convert to fraction form
    92,963.53/128,284.76 = 52,677.78/x
  3. Step 3: Cross multiply
    92,963.53x = 128,284.76 × 52,677.78
  4. Step 4: Simplify right side
    92,963.53x = 6,757,756,364.63
  5. Step 5: Solve for x
    x = 6,757,756,364.63/92,963.53
  6. Step 6: Final answer
    x = 72,692.55

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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.