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Finding the Fourth Proportional to 65,585.70, 98,402.85 and 26,171.10

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Solution

The fourth proportional to 65,585.70, 98,402.85 and 26,171.10 is: 39,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,585.70 : 98,402.85 = 26,171.10 : x
  2. Step 2: Convert to fraction form
    65,585.70/98,402.85 = 26,171.10/x
  3. Step 3: Cross multiply
    65,585.70x = 98,402.85 × 26,171.10
  4. Step 4: Simplify right side
    65,585.70x = 2,575,310,827.64
  5. Step 5: Solve for x
    x = 2,575,310,827.64/65,585.70
  6. Step 6: Final answer
    x = 39,266.35

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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.