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Finding the Fourth Proportional to 44,604.32, 66,909.04 and 13,436.32

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Solution

The fourth proportional to 44,604.32, 66,909.04 and 13,436.32 is: 20,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,604.32 : 66,909.04 = 13,436.32 : x
  2. Step 2: Convert to fraction form
    44,604.32/66,909.04 = 13,436.32/x
  3. Step 3: Cross multiply
    44,604.32x = 66,909.04 × 13,436.32
  4. Step 4: Simplify right side
    44,604.32x = 899,011,272.33
  5. Step 5: Solve for x
    x = 899,011,272.33/44,604.32
  6. Step 6: Final answer
    x = 20,155.25

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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.