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Finding the Fourth Proportional to 71,353.70, 98,430.77 and 44,121.08

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Solution

The fourth proportional to 71,353.70, 98,430.77 and 44,121.08 is: 60,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353.70 : 98,430.77 = 44,121.08 : x
  2. Step 2: Convert to fraction form
    71,353.70/98,430.77 = 44,121.08/x
  3. Step 3: Cross multiply
    71,353.70x = 98,430.77 × 44,121.08
  4. Step 4: Simplify right side
    71,353.70x = 4,342,871,680.34
  5. Step 5: Solve for x
    x = 4,342,871,680.34/71,353.70
  6. Step 6: Final answer
    x = 60,864.00

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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.