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Finding the Fourth Proportional to 44,038.59, 66,062.20 and 12,448.89

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Solution

The fourth proportional to 44,038.59, 66,062.20 and 12,448.89 is: 18,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,038.59 : 66,062.20 = 12,448.89 : x
  2. Step 2: Convert to fraction form
    44,038.59/66,062.20 = 12,448.89/x
  3. Step 3: Cross multiply
    44,038.59x = 66,062.20 × 12,448.89
  4. Step 4: Simplify right side
    44,038.59x = 822,401,060.96
  5. Step 5: Solve for x
    x = 822,401,060.96/44,038.59
  6. Step 6: Final answer
    x = 18,674.55

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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.