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Finding the Fourth Proportional to 44,543.61, 66,827.72 and 39,647.46

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Solution

The fourth proportional to 44,543.61, 66,827.72 and 39,647.46 is: 59,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,543.61 : 66,827.72 = 39,647.46 : x
  2. Step 2: Convert to fraction form
    44,543.61/66,827.72 = 39,647.46/x
  3. Step 3: Cross multiply
    44,543.61x = 66,827.72 × 39,647.46
  4. Step 4: Simplify right side
    44,543.61x = 2,649,549,355.59
  5. Step 5: Solve for x
    x = 2,649,549,355.59/44,543.61
  6. Step 6: Final answer
    x = 59,482.14

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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.