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Finding the Fourth Proportional to 32,920.24, 49,374.24 and 8,904.28

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Solution

The fourth proportional to 32,920.24, 49,374.24 and 8,904.28 is: 13,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.24 : 49,374.24 = 8,904.28 : x
  2. Step 2: Convert to fraction form
    32,920.24/49,374.24 = 8,904.28/x
  3. Step 3: Cross multiply
    32,920.24x = 49,374.24 × 8,904.28
  4. Step 4: Simplify right side
    32,920.24x = 439,642,057.75
  5. Step 5: Solve for x
    x = 439,642,057.75/32,920.24
  6. Step 6: Final answer
    x = 13,354.76

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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.