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Finding the Fourth Proportional to 66,332.93, 91,509.87 and 44,815.76

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Solution

The fourth proportional to 66,332.93, 91,509.87 and 44,815.76 is: 61,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,332.93 : 91,509.87 = 44,815.76 : x
  2. Step 2: Convert to fraction form
    66,332.93/91,509.87 = 44,815.76/x
  3. Step 3: Cross multiply
    66,332.93x = 91,509.87 × 44,815.76
  4. Step 4: Simplify right side
    66,332.93x = 4,101,084,371.55
  5. Step 5: Solve for x
    x = 4,101,084,371.55/66,332.93
  6. Step 6: Final answer
    x = 61,825.77

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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.