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Finding the Fourth Proportional to 40,641.35, 60,971.13 and 14,348.14

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Solution

The fourth proportional to 40,641.35, 60,971.13 and 14,348.14 is: 21,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,641.35 : 60,971.13 = 14,348.14 : x
  2. Step 2: Convert to fraction form
    40,641.35/60,971.13 = 14,348.14/x
  3. Step 3: Cross multiply
    40,641.35x = 60,971.13 × 14,348.14
  4. Step 4: Simplify right side
    40,641.35x = 874,822,156.77
  5. Step 5: Solve for x
    x = 874,822,156.77/40,641.35
  6. Step 6: Final answer
    x = 21,525.42

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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.