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Finding the Fourth Proportional to 56,337.60, 77,744.88 and 30,843.36

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Solution

The fourth proportional to 56,337.60, 77,744.88 and 30,843.36 is: 42,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,337.60 : 77,744.88 = 30,843.36 : x
  2. Step 2: Convert to fraction form
    56,337.60/77,744.88 = 30,843.36/x
  3. Step 3: Cross multiply
    56,337.60x = 77,744.88 × 30,843.36
  4. Step 4: Simplify right side
    56,337.60x = 2,397,913,322.00
  5. Step 5: Solve for x
    x = 2,397,913,322.00/56,337.60
  6. Step 6: Final answer
    x = 42,563.28

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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.