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Finding the Fourth Proportional to 56,581.58, 77,478.97 and 54,350.84

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Solution

The fourth proportional to 56,581.58, 77,478.97 and 54,350.84 is: 74,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,581.58 : 77,478.97 = 54,350.84 : x
  2. Step 2: Convert to fraction form
    56,581.58/77,478.97 = 54,350.84/x
  3. Step 3: Cross multiply
    56,581.58x = 77,478.97 × 54,350.84
  4. Step 4: Simplify right side
    56,581.58x = 4,211,047,101.83
  5. Step 5: Solve for x
    x = 4,211,047,101.83/56,581.58
  6. Step 6: Final answer
    x = 74,424.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.