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Finding the Fourth Proportional to 64,948.38, 89,626.95 and 36,656.70

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Solution

The fourth proportional to 64,948.38, 89,626.95 and 36,656.70 is: 50,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,948.38 : 89,626.95 = 36,656.70 : x
  2. Step 2: Convert to fraction form
    64,948.38/89,626.95 = 36,656.70/x
  3. Step 3: Cross multiply
    64,948.38x = 89,626.95 × 36,656.70
  4. Step 4: Simplify right side
    64,948.38x = 3,285,428,218.07
  5. Step 5: Solve for x
    x = 3,285,428,218.07/64,948.38
  6. Step 6: Final answer
    x = 50,585.22

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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.