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Finding the Fourth Proportional to 71,600.04, 98,762.64 and 43,992.60

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Solution

The fourth proportional to 71,600.04, 98,762.64 and 43,992.60 is: 60,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,600.04 : 98,762.64 = 43,992.60 : x
  2. Step 2: Convert to fraction form
    71,600.04/98,762.64 = 43,992.60/x
  3. Step 3: Cross multiply
    71,600.04x = 98,762.64 × 43,992.60
  4. Step 4: Simplify right side
    71,600.04x = 4,344,825,316.46
  5. Step 5: Solve for x
    x = 4,344,825,316.46/71,600.04
  6. Step 6: Final answer
    x = 60,681.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.