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Finding the Fourth Proportional to 60,288, 90,534.06 and 39,263.64

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Solution

The fourth proportional to 60,288, 90,534.06 and 39,263.64 is: 58,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,288 : 90,534.06 = 39,263.64 : x
  2. Step 2: Convert to fraction form
    60,288/90,534.06 = 39,263.64/x
  3. Step 3: Cross multiply
    60,288x = 90,534.06 × 39,263.64
  4. Step 4: Simplify right side
    60,288x = 3,554,696,739.58
  5. Step 5: Solve for x
    x = 3,554,696,739.58/60,288
  6. Step 6: Final answer
    x = 58,961.93

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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.