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Finding the Fourth Proportional to 56,264.88, 77,608.95 and 36,089.80

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Solution

The fourth proportional to 56,264.88, 77,608.95 and 36,089.80 is: 49,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,264.88 : 77,608.95 = 36,089.80 : x
  2. Step 2: Convert to fraction form
    56,264.88/77,608.95 = 36,089.80/x
  3. Step 3: Cross multiply
    56,264.88x = 77,608.95 × 36,089.80
  4. Step 4: Simplify right side
    56,264.88x = 2,800,891,445.38
  5. Step 5: Solve for x
    x = 2,800,891,445.38/56,264.88
  6. Step 6: Final answer
    x = 49,780.46

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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.