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Finding the Fourth Proportional to 67,255, 92,837.28 and 52,877.32

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Solution

The fourth proportional to 67,255, 92,837.28 and 52,877.32 is: 72,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,255 : 92,837.28 = 52,877.32 : x
  2. Step 2: Convert to fraction form
    67,255/92,837.28 = 52,877.32/x
  3. Step 3: Cross multiply
    67,255x = 92,837.28 × 52,877.32
  4. Step 4: Simplify right side
    67,255x = 4,908,986,562.49
  5. Step 5: Solve for x
    x = 4,908,986,562.49/67,255
  6. Step 6: Final answer
    x = 72,990.66

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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.