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Finding the Fourth Proportional to 44,587.55, 66,861.88 and 16,866.11

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Solution

The fourth proportional to 44,587.55, 66,861.88 and 16,866.11 is: 25,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,587.55 : 66,861.88 = 16,866.11 : x
  2. Step 2: Convert to fraction form
    44,587.55/66,861.88 = 16,866.11/x
  3. Step 3: Cross multiply
    44,587.55x = 66,861.88 × 16,866.11
  4. Step 4: Simplify right side
    44,587.55x = 1,127,699,822.89
  5. Step 5: Solve for x
    x = 1,127,699,822.89/44,587.55
  6. Step 6: Final answer
    x = 25,291.81

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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.