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Finding the Fourth Proportional to 57,165.40, 85,748.10 and 26,000.65

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Solution

The fourth proportional to 57,165.40, 85,748.10 and 26,000.65 is: 39,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,165.40 : 85,748.10 = 26,000.65 : x
  2. Step 2: Convert to fraction form
    57,165.40/85,748.10 = 26,000.65/x
  3. Step 3: Cross multiply
    57,165.40x = 85,748.10 × 26,000.65
  4. Step 4: Simplify right side
    57,165.40x = 2,229,506,336.27
  5. Step 5: Solve for x
    x = 2,229,506,336.27/57,165.40
  6. Step 6: Final answer
    x = 39,000.98

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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.