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Finding the Fourth Proportional to 66,332.40, 91,536.58 and 36,117.48

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Solution

The fourth proportional to 66,332.40, 91,536.58 and 36,117.48 is: 49,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,332.40 : 91,536.58 = 36,117.48 : x
  2. Step 2: Convert to fraction form
    66,332.40/91,536.58 = 36,117.48/x
  3. Step 3: Cross multiply
    66,332.40x = 91,536.58 × 36,117.48
  4. Step 4: Simplify right side
    66,332.40x = 3,306,070,470.93
  5. Step 5: Solve for x
    x = 3,306,070,470.93/66,332.40
  6. Step 6: Final answer
    x = 49,840.96

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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.