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Finding the Fourth Proportional to 62,990.72, 94,303.04 and 36,615.04

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Solution

The fourth proportional to 62,990.72, 94,303.04 and 36,615.04 is: 54,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,990.72 : 94,303.04 = 36,615.04 : x
  2. Step 2: Convert to fraction form
    62,990.72/94,303.04 = 36,615.04/x
  3. Step 3: Cross multiply
    62,990.72x = 94,303.04 × 36,615.04
  4. Step 4: Simplify right side
    62,990.72x = 3,452,909,581.72
  5. Step 5: Solve for x
    x = 3,452,909,581.72/62,990.72
  6. Step 6: Final answer
    x = 54,816.16

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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.