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Finding the Fourth Proportional to 71,365.48, 98,516.90 and 50,962.92

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Solution

The fourth proportional to 71,365.48, 98,516.90 and 50,962.92 is: 70,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,365.48 : 98,516.90 = 50,962.92 : x
  2. Step 2: Convert to fraction form
    71,365.48/98,516.90 = 50,962.92/x
  3. Step 3: Cross multiply
    71,365.48x = 98,516.90 × 50,962.92
  4. Step 4: Simplify right side
    71,365.48x = 5,020,708,893.35
  5. Step 5: Solve for x
    x = 5,020,708,893.35/71,365.48
  6. Step 6: Final answer
    x = 70,352.07

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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.