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Finding the Fourth Proportional to 57,663.37, 79,561.88 and 35,001.80

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Solution

The fourth proportional to 57,663.37, 79,561.88 and 35,001.80 is: 48,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,663.37 : 79,561.88 = 35,001.80 : x
  2. Step 2: Convert to fraction form
    57,663.37/79,561.88 = 35,001.80/x
  3. Step 3: Cross multiply
    57,663.37x = 79,561.88 × 35,001.80
  4. Step 4: Simplify right side
    57,663.37x = 2,784,808,836.38
  5. Step 5: Solve for x
    x = 2,784,808,836.38/57,663.37
  6. Step 6: Final answer
    x = 48,294.25

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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.