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Finding the Fourth Proportional to 67,047.48, 100,534.77 and 43,351.74

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Solution

The fourth proportional to 67,047.48, 100,534.77 and 43,351.74 is: 65,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,047.48 : 100,534.77 = 43,351.74 : x
  2. Step 2: Convert to fraction form
    67,047.48/100,534.77 = 43,351.74/x
  3. Step 3: Cross multiply
    67,047.48x = 100,534.77 × 43,351.74
  4. Step 4: Simplify right side
    67,047.48x = 4,358,357,210.00
  5. Step 5: Solve for x
    x = 4,358,357,210.00/67,047.48
  6. Step 6: Final answer
    x = 65,004.04

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1.5x scale

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.