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Finding the Fourth Proportional to 17,490.80, 26,233.80 and 5,802.80

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Solution

The fourth proportional to 17,490.80, 26,233.80 and 5,802.80 is: 8,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.80 : 26,233.80 = 5,802.80 : x
  2. Step 2: Convert to fraction form
    17,490.80/26,233.80 = 5,802.80/x
  3. Step 3: Cross multiply
    17,490.80x = 26,233.80 × 5,802.80
  4. Step 4: Simplify right side
    17,490.80x = 152,229,494.64
  5. Step 5: Solve for x
    x = 152,229,494.64/17,490.80
  6. Step 6: Final answer
    x = 8,703.40

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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.