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Finding the Fourth Proportional to 57,887.16, 79,887.64 and 32,393.30

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Solution

The fourth proportional to 57,887.16, 79,887.64 and 32,393.30 is: 44,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887.16 : 79,887.64 = 32,393.30 : x
  2. Step 2: Convert to fraction form
    57,887.16/79,887.64 = 32,393.30/x
  3. Step 3: Cross multiply
    57,887.16x = 79,887.64 × 32,393.30
  4. Step 4: Simplify right side
    57,887.16x = 2,587,824,746.63
  5. Step 5: Solve for x
    x = 2,587,824,746.63/57,887.16
  6. Step 6: Final answer
    x = 44,704.64

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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.