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Finding the Fourth Proportional to 56,482.78, 84,753.87 and 26,895.10

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Solution

The fourth proportional to 56,482.78, 84,753.87 and 26,895.10 is: 40,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.78 : 84,753.87 = 26,895.10 : x
  2. Step 2: Convert to fraction form
    56,482.78/84,753.87 = 26,895.10/x
  3. Step 3: Cross multiply
    56,482.78x = 84,753.87 × 26,895.10
  4. Step 4: Simplify right side
    56,482.78x = 2,279,463,809.04
  5. Step 5: Solve for x
    x = 2,279,463,809.04/56,482.78
  6. Step 6: Final answer
    x = 40,356.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.