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Finding the Fourth Proportional to 17,670,512.88, 26,506,348.88 and 4,889,947.32

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Solution

The fourth proportional to 17,670,512.88, 26,506,348.88 and 4,889,947.32 is: 7,335,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670,512.88 : 26,506,348.88 = 4,889,947.32 : x
  2. Step 2: Convert to fraction form
    17,670,512.88/26,506,348.88 = 4,889,947.32/x
  3. Step 3: Cross multiply
    17,670,512.88x = 26,506,348.88 × 4,889,947.32
  4. Step 4: Simplify right side
    17,670,512.88x = 129,614,649,644,291.27
  5. Step 5: Solve for x
    x = 129,614,649,644,291.27/17,670,512.88
  6. Step 6: Final answer
    x = 7,335,081.36

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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.