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Finding the Fourth Proportional to 61,048.48, 84,248.76 and 34,190.92

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Solution

The fourth proportional to 61,048.48, 84,248.76 and 34,190.92 is: 47,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,048.48 : 84,248.76 = 34,190.92 : x
  2. Step 2: Convert to fraction form
    61,048.48/84,248.76 = 34,190.92/x
  3. Step 3: Cross multiply
    61,048.48x = 84,248.76 × 34,190.92
  4. Step 4: Simplify right side
    61,048.48x = 2,880,542,613.26
  5. Step 5: Solve for x
    x = 2,880,542,613.26/61,048.48
  6. Step 6: Final answer
    x = 47,184.51

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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.