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Finding the Fourth Proportional to 26,494.31, 39,756.95 and 9,866.12

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Solution

The fourth proportional to 26,494.31, 39,756.95 and 9,866.12 is: 14,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,494.31 : 39,756.95 = 9,866.12 : x
  2. Step 2: Convert to fraction form
    26,494.31/39,756.95 = 9,866.12/x
  3. Step 3: Cross multiply
    26,494.31x = 39,756.95 × 9,866.12
  4. Step 4: Simplify right side
    26,494.31x = 392,246,907.55
  5. Step 5: Solve for x
    x = 392,246,907.55/26,494.31
  6. Step 6: Final answer
    x = 14,804.95

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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.