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Finding the Fourth Proportional to 17,602.91, 26,341.45 and 15,290.17

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Solution

The fourth proportional to 17,602.91, 26,341.45 and 15,290.17 is: 22,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,602.91 : 26,341.45 = 15,290.17 : x
  2. Step 2: Convert to fraction form
    17,602.91/26,341.45 = 15,290.17/x
  3. Step 3: Cross multiply
    17,602.91x = 26,341.45 × 15,290.17
  4. Step 4: Simplify right side
    17,602.91x = 402,765,248.55
  5. Step 5: Solve for x
    x = 402,765,248.55/17,602.91
  6. Step 6: Final answer
    x = 22,880.61

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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.