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Finding the Fourth Proportional to 17,590.78, 26,386.98 and 9,793.72

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Solution

The fourth proportional to 17,590.78, 26,386.98 and 9,793.72 is: 14,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,590.78 : 26,386.98 = 9,793.72 : x
  2. Step 2: Convert to fraction form
    17,590.78/26,386.98 = 9,793.72/x
  3. Step 3: Cross multiply
    17,590.78x = 26,386.98 × 9,793.72
  4. Step 4: Simplify right side
    17,590.78x = 258,426,693.77
  5. Step 5: Solve for x
    x = 258,426,693.77/17,590.78
  6. Step 6: Final answer
    x = 14,691.03

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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.