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Finding the Fourth Proportional to 60,758.48, 91,154.64 and 18,639.94

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Solution

The fourth proportional to 60,758.48, 91,154.64 and 18,639.94 is: 27,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,758.48 : 91,154.64 = 18,639.94 : x
  2. Step 2: Convert to fraction form
    60,758.48/91,154.64 = 18,639.94/x
  3. Step 3: Cross multiply
    60,758.48x = 91,154.64 × 18,639.94
  4. Step 4: Simplify right side
    60,758.48x = 1,699,117,020.32
  5. Step 5: Solve for x
    x = 1,699,117,020.32/60,758.48
  6. Step 6: Final answer
    x = 27,965.10

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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.