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Finding the Fourth Proportional to 17,587.80, 26,392.04 and 6,502.20

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Solution

The fourth proportional to 17,587.80, 26,392.04 and 6,502.20 is: 9,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.80 : 26,392.04 = 6,502.20 : x
  2. Step 2: Convert to fraction form
    17,587.80/26,392.04 = 6,502.20/x
  3. Step 3: Cross multiply
    17,587.80x = 26,392.04 × 6,502.20
  4. Step 4: Simplify right side
    17,587.80x = 171,606,322.49
  5. Step 5: Solve for x
    x = 171,606,322.49/17,587.80
  6. Step 6: Final answer
    x = 9,757.12

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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.