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Finding the Fourth Proportional to 44,501.96, 66,731.16 and 18,199.64

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Solution

The fourth proportional to 44,501.96, 66,731.16 and 18,199.64 is: 27,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,501.96 : 66,731.16 = 18,199.64 : x
  2. Step 2: Convert to fraction form
    44,501.96/66,731.16 = 18,199.64/x
  3. Step 3: Cross multiply
    44,501.96x = 66,731.16 × 18,199.64
  4. Step 4: Simplify right side
    44,501.96x = 1,214,483,088.78
  5. Step 5: Solve for x
    x = 1,214,483,088.78/44,501.96
  6. Step 6: Final answer
    x = 27,290.55

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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.