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Finding the Fourth Proportional to 60,929.64, 91,360.50 and 18,797.76

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Solution

The fourth proportional to 60,929.64, 91,360.50 and 18,797.76 is: 28,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,929.64 : 91,360.50 = 18,797.76 : x
  2. Step 2: Convert to fraction form
    60,929.64/91,360.50 = 18,797.76/x
  3. Step 3: Cross multiply
    60,929.64x = 91,360.50 × 18,797.76
  4. Step 4: Simplify right side
    60,929.64x = 1,717,372,752.48
  5. Step 5: Solve for x
    x = 1,717,372,752.48/60,929.64
  6. Step 6: Final answer
    x = 28,186.16

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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.