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Finding the Fourth Proportional to 63,929.80, 96,009.90 and 61,856.20

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Solution

The fourth proportional to 63,929.80, 96,009.90 and 61,856.20 is: 92,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,929.80 : 96,009.90 = 61,856.20 : x
  2. Step 2: Convert to fraction form
    63,929.80/96,009.90 = 61,856.20/x
  3. Step 3: Cross multiply
    63,929.80x = 96,009.90 × 61,856.20
  4. Step 4: Simplify right side
    63,929.80x = 5,938,807,576.38
  5. Step 5: Solve for x
    x = 5,938,807,576.38/63,929.80
  6. Step 6: Final answer
    x = 92,895.76

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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.