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Finding the Fourth Proportional to 65,613.96, 90,547.62 and 36,934.17

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Solution

The fourth proportional to 65,613.96, 90,547.62 and 36,934.17 is: 50,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,613.96 : 90,547.62 = 36,934.17 : x
  2. Step 2: Convert to fraction form
    65,613.96/90,547.62 = 36,934.17/x
  3. Step 3: Cross multiply
    65,613.96x = 90,547.62 × 36,934.17
  4. Step 4: Simplify right side
    65,613.96x = 3,344,301,190.18
  5. Step 5: Solve for x
    x = 3,344,301,190.18/65,613.96
  6. Step 6: Final answer
    x = 50,969.35

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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.