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Finding the Fourth Proportional to 32,865.86, 45,354.84 and 19,443.71

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Solution

The fourth proportional to 32,865.86, 45,354.84 and 19,443.71 is: 26,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,865.86 : 45,354.84 = 19,443.71 : x
  2. Step 2: Convert to fraction form
    32,865.86/45,354.84 = 19,443.71/x
  3. Step 3: Cross multiply
    32,865.86x = 45,354.84 × 19,443.71
  4. Step 4: Simplify right side
    32,865.86x = 881,866,356.06
  5. Step 5: Solve for x
    x = 881,866,356.06/32,865.86
  6. Step 6: Final answer
    x = 26,832.29

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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.