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Finding the Fourth Proportional to 26,359.86, 36,356.07 and 16,929.30

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Solution

The fourth proportional to 26,359.86, 36,356.07 and 16,929.30 is: 23,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,359.86 : 36,356.07 = 16,929.30 : x
  2. Step 2: Convert to fraction form
    26,359.86/36,356.07 = 16,929.30/x
  3. Step 3: Cross multiply
    26,359.86x = 36,356.07 × 16,929.30
  4. Step 4: Simplify right side
    26,359.86x = 615,482,815.85
  5. Step 5: Solve for x
    x = 615,482,815.85/26,359.86
  6. Step 6: Final answer
    x = 23,349.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.