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Finding the Fourth Proportional to 26,598.68, 39,899.39 and 6,877.40

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Solution

The fourth proportional to 26,598.68, 39,899.39 and 6,877.40 is: 10,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,598.68 : 39,899.39 = 6,877.40 : x
  2. Step 2: Convert to fraction form
    26,598.68/39,899.39 = 6,877.40/x
  3. Step 3: Cross multiply
    26,598.68x = 39,899.39 × 6,877.40
  4. Step 4: Simplify right side
    26,598.68x = 274,404,130.15
  5. Step 5: Solve for x
    x = 274,404,130.15/26,598.68
  6. Step 6: Final answer
    x = 10,316.46

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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.