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Finding the Fourth Proportional to 44,641.56, 66,973.59 and 31,519.56

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Solution

The fourth proportional to 44,641.56, 66,973.59 and 31,519.56 is: 47,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,641.56 : 66,973.59 = 31,519.56 : x
  2. Step 2: Convert to fraction form
    44,641.56/66,973.59 = 31,519.56/x
  3. Step 3: Cross multiply
    44,641.56x = 66,973.59 × 31,519.56
  4. Step 4: Simplify right side
    44,641.56x = 2,110,978,088.42
  5. Step 5: Solve for x
    x = 2,110,978,088.42/44,641.56
  6. Step 6: Final answer
    x = 47,287.28

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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.