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Finding the Fourth Proportional to 60,699.68, 90,966.96 and 35,751.20

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Solution

The fourth proportional to 60,699.68, 90,966.96 and 35,751.20 is: 53,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,699.68 : 90,966.96 = 35,751.20 : x
  2. Step 2: Convert to fraction form
    60,699.68/90,966.96 = 35,751.20/x
  3. Step 3: Cross multiply
    60,699.68x = 90,966.96 × 35,751.20
  4. Step 4: Simplify right side
    60,699.68x = 3,252,177,980.35
  5. Step 5: Solve for x
    x = 3,252,177,980.35/60,699.68
  6. Step 6: Final answer
    x = 53,578.17

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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.