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Finding the Fourth Proportional to 57,533.76, 79,391.53 and 32,038.20

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Solution

The fourth proportional to 57,533.76, 79,391.53 and 32,038.20 is: 44,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,533.76 : 79,391.53 = 32,038.20 : x
  2. Step 2: Convert to fraction form
    57,533.76/79,391.53 = 32,038.20/x
  3. Step 3: Cross multiply
    57,533.76x = 79,391.53 × 32,038.20
  4. Step 4: Simplify right side
    57,533.76x = 2,543,561,239.39
  5. Step 5: Solve for x
    x = 2,543,561,239.39/57,533.76
  6. Step 6: Final answer
    x = 44,209.89

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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.