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Finding the Fourth Proportional to 26,395.47, 39,598.47 and 8,864.64

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Solution

The fourth proportional to 26,395.47, 39,598.47 and 8,864.64 is: 13,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,395.47 : 39,598.47 = 8,864.64 : x
  2. Step 2: Convert to fraction form
    26,395.47/39,598.47 = 8,864.64/x
  3. Step 3: Cross multiply
    26,395.47x = 39,598.47 × 8,864.64
  4. Step 4: Simplify right side
    26,395.47x = 351,026,181.10
  5. Step 5: Solve for x
    x = 351,026,181.10/26,395.47
  6. Step 6: Final answer
    x = 13,298.73

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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.