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Finding the Fourth Proportional to 71,817.48, 107,726.28 and 32,328.48

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Solution

The fourth proportional to 71,817.48, 107,726.28 and 32,328.48 is: 48,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,817.48 : 107,726.28 = 32,328.48 : x
  2. Step 2: Convert to fraction form
    71,817.48/107,726.28 = 32,328.48/x
  3. Step 3: Cross multiply
    71,817.48x = 107,726.28 × 32,328.48
  4. Step 4: Simplify right side
    71,817.48x = 3,482,626,888.45
  5. Step 5: Solve for x
    x = 3,482,626,888.45/71,817.48
  6. Step 6: Final answer
    x = 48,492.75

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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.