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Finding the Fourth Proportional to 19,374.46, 29,066.56 and 5,523.46

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Solution

The fourth proportional to 19,374.46, 29,066.56 and 5,523.46 is: 8,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.46 : 29,066.56 = 5,523.46 : x
  2. Step 2: Convert to fraction form
    19,374.46/29,066.56 = 5,523.46/x
  3. Step 3: Cross multiply
    19,374.46x = 29,066.56 × 5,523.46
  4. Step 4: Simplify right side
    19,374.46x = 160,547,981.50
  5. Step 5: Solve for x
    x = 160,547,981.50/19,374.46
  6. Step 6: Final answer
    x = 8,286.58

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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.