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Finding the Fourth Proportional to 64,010.10, 96,015.15 and 55,254.90

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Solution

The fourth proportional to 64,010.10, 96,015.15 and 55,254.90 is: 82,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.10 : 96,015.15 = 55,254.90 : x
  2. Step 2: Convert to fraction form
    64,010.10/96,015.15 = 55,254.90/x
  3. Step 3: Cross multiply
    64,010.10x = 96,015.15 × 55,254.90
  4. Step 4: Simplify right side
    64,010.10x = 5,305,307,511.74
  5. Step 5: Solve for x
    x = 5,305,307,511.74/64,010.10
  6. Step 6: Final answer
    x = 82,882.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.