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Finding the Fourth Proportional to 57,765.59, 79,715.64 and 32,272.32

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Solution

The fourth proportional to 57,765.59, 79,715.64 and 32,272.32 is: 44,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,765.59 : 79,715.64 = 32,272.32 : x
  2. Step 2: Convert to fraction form
    57,765.59/79,715.64 = 32,272.32/x
  3. Step 3: Cross multiply
    57,765.59x = 79,715.64 × 32,272.32
  4. Step 4: Simplify right side
    57,765.59x = 2,572,608,643.08
  5. Step 5: Solve for x
    x = 2,572,608,643.08/57,765.59
  6. Step 6: Final answer
    x = 44,535.31

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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.