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Finding the Fourth Proportional to 17,470.88, 26,239.80 and 14,977.70

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Solution

The fourth proportional to 17,470.88, 26,239.80 and 14,977.70 is: 22,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,470.88 : 26,239.80 = 14,977.70 : x
  2. Step 2: Convert to fraction form
    17,470.88/26,239.80 = 14,977.70/x
  3. Step 3: Cross multiply
    17,470.88x = 26,239.80 × 14,977.70
  4. Step 4: Simplify right side
    17,470.88x = 393,011,852.46
  5. Step 5: Solve for x
    x = 393,011,852.46/17,470.88
  6. Step 6: Final answer
    x = 22,495.25

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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.