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Finding the Fourth Proportional to 63,048.48, 87,010.95 and 34,756.80

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Solution

The fourth proportional to 63,048.48, 87,010.95 and 34,756.80 is: 47,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,048.48 : 87,010.95 = 34,756.80 : x
  2. Step 2: Convert to fraction form
    63,048.48/87,010.95 = 34,756.80/x
  3. Step 3: Cross multiply
    63,048.48x = 87,010.95 × 34,756.80
  4. Step 4: Simplify right side
    63,048.48x = 3,024,222,186.96
  5. Step 5: Solve for x
    x = 3,024,222,186.96/63,048.48
  6. Step 6: Final answer
    x = 47,966.62

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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.