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Finding the Fourth Proportional to 62,764.32, 94,027.75 and 48,655.21

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Solution

The fourth proportional to 62,764.32, 94,027.75 and 48,655.21 is: 72,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,764.32 : 94,027.75 = 48,655.21 : x
  2. Step 2: Convert to fraction form
    62,764.32/94,027.75 = 48,655.21/x
  3. Step 3: Cross multiply
    62,764.32x = 94,027.75 × 48,655.21
  4. Step 4: Simplify right side
    62,764.32x = 4,574,939,545.64
  5. Step 5: Solve for x
    x = 4,574,939,545.64/62,764.32
  6. Step 6: Final answer
    x = 72,890.77

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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.