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Finding the Fourth Proportional to 47,281.08, 70,943.15 and 17,701.22

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Solution

The fourth proportional to 47,281.08, 70,943.15 and 17,701.22 is: 26,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,281.08 : 70,943.15 = 17,701.22 : x
  2. Step 2: Convert to fraction form
    47,281.08/70,943.15 = 17,701.22/x
  3. Step 3: Cross multiply
    47,281.08x = 70,943.15 × 17,701.22
  4. Step 4: Simplify right side
    47,281.08x = 1,255,780,305.64
  5. Step 5: Solve for x
    x = 1,255,780,305.64/47,281.08
  6. Step 6: Final answer
    x = 26,559.89

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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.