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Finding the Fourth Proportional to 64,010.88, 88,324.56 and 38,510.88

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Solution

The fourth proportional to 64,010.88, 88,324.56 and 38,510.88 is: 53,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.88 : 88,324.56 = 38,510.88 : x
  2. Step 2: Convert to fraction form
    64,010.88/88,324.56 = 38,510.88/x
  3. Step 3: Cross multiply
    64,010.88x = 88,324.56 × 38,510.88
  4. Step 4: Simplify right side
    64,010.88x = 3,401,456,531.21
  5. Step 5: Solve for x
    x = 3,401,456,531.21/64,010.88
  6. Step 6: Final answer
    x = 53,138.72

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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.