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Finding the Fourth Proportional to 26,657.67, 39,985.29 and 8,887.08

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Solution

The fourth proportional to 26,657.67, 39,985.29 and 8,887.08 is: 13,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.67 : 39,985.29 = 8,887.08 : x
  2. Step 2: Convert to fraction form
    26,657.67/39,985.29 = 8,887.08/x
  3. Step 3: Cross multiply
    26,657.67x = 39,985.29 × 8,887.08
  4. Step 4: Simplify right side
    26,657.67x = 355,352,471.05
  5. Step 5: Solve for x
    x = 355,352,471.05/26,657.67
  6. Step 6: Final answer
    x = 13,330.21

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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.