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Finding the Fourth Proportional to 17,805.30, 26,707.95 and 15,501.30

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Solution

The fourth proportional to 17,805.30, 26,707.95 and 15,501.30 is: 23,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805.30 : 26,707.95 = 15,501.30 : x
  2. Step 2: Convert to fraction form
    17,805.30/26,707.95 = 15,501.30/x
  3. Step 3: Cross multiply
    17,805.30x = 26,707.95 × 15,501.30
  4. Step 4: Simplify right side
    17,805.30x = 414,007,945.34
  5. Step 5: Solve for x
    x = 414,007,945.34/17,805.30
  6. Step 6: Final answer
    x = 23,251.95

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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.