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Finding the Fourth Proportional to 57,152.40, 85,798.80 and 36,092.40

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Solution

The fourth proportional to 57,152.40, 85,798.80 and 36,092.40 is: 54,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.40 : 85,798.80 = 36,092.40 : x
  2. Step 2: Convert to fraction form
    57,152.40/85,798.80 = 36,092.40/x
  3. Step 3: Cross multiply
    57,152.40x = 85,798.80 × 36,092.40
  4. Step 4: Simplify right side
    57,152.40x = 3,096,684,609.12
  5. Step 5: Solve for x
    x = 3,096,684,609.12/57,152.40
  6. Step 6: Final answer
    x = 54,182.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.