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Finding the Fourth Proportional to 26,884.80, 40,424.40 and 26,301.60

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Solution

The fourth proportional to 26,884.80, 40,424.40 and 26,301.60 is: 39,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,884.80 : 40,424.40 = 26,301.60 : x
  2. Step 2: Convert to fraction form
    26,884.80/40,424.40 = 26,301.60/x
  3. Step 3: Cross multiply
    26,884.80x = 40,424.40 × 26,301.60
  4. Step 4: Simplify right side
    26,884.80x = 1,063,226,399.04
  5. Step 5: Solve for x
    x = 1,063,226,399.04/26,884.80
  6. Step 6: Final answer
    x = 39,547.49

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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.