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Finding the Fourth Proportional to 26,663.72, 39,982.15 and 8,888.08

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Solution

The fourth proportional to 26,663.72, 39,982.15 and 8,888.08 is: 13,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.72 : 39,982.15 = 8,888.08 : x
  2. Step 2: Convert to fraction form
    26,663.72/39,982.15 = 8,888.08/x
  3. Step 3: Cross multiply
    26,663.72x = 39,982.15 × 8,888.08
  4. Step 4: Simplify right side
    26,663.72x = 355,364,547.77
  5. Step 5: Solve for x
    x = 355,364,547.77/26,663.72
  6. Step 6: Final answer
    x = 13,327.64

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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.