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Finding the Fourth Proportional to 69,575.86, 96,008.34 and 39,363.94

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Solution

The fourth proportional to 69,575.86, 96,008.34 and 39,363.94 is: 54,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,575.86 : 96,008.34 = 39,363.94 : x
  2. Step 2: Convert to fraction form
    69,575.86/96,008.34 = 39,363.94/x
  3. Step 3: Cross multiply
    69,575.86x = 96,008.34 × 39,363.94
  4. Step 4: Simplify right side
    69,575.86x = 3,779,266,535.26
  5. Step 5: Solve for x
    x = 3,779,266,535.26/69,575.86
  6. Step 6: Final answer
    x = 54,318.65

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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.