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Finding the Fourth Proportional to 40,552.80, 56,642.70 and 40,552.80

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Solution

The fourth proportional to 40,552.80, 56,642.70 and 40,552.80 is: 56,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,552.80 : 56,642.70 = 40,552.80 : x
  2. Step 2: Convert to fraction form
    40,552.80/56,642.70 = 40,552.80/x
  3. Step 3: Cross multiply
    40,552.80x = 56,642.70 × 40,552.80
  4. Step 4: Simplify right side
    40,552.80x = 2,297,020,084.56
  5. Step 5: Solve for x
    x = 2,297,020,084.56/40,552.80
  6. Step 6: Final answer
    x = 56,642.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.