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Finding the Fourth Proportional to 44,488.78, 66,713.72 and 13,316.74

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Solution

The fourth proportional to 44,488.78, 66,713.72 and 13,316.74 is: 19,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,488.78 : 66,713.72 = 13,316.74 : x
  2. Step 2: Convert to fraction form
    44,488.78/66,713.72 = 13,316.74/x
  3. Step 3: Cross multiply
    44,488.78x = 66,713.72 × 13,316.74
  4. Step 4: Simplify right side
    44,488.78x = 888,409,263.67
  5. Step 5: Solve for x
    x = 888,409,263.67/44,488.78
  6. Step 6: Final answer
    x = 19,969.29

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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.