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Finding the Fourth Proportional to 34,479.75, 47,582.10 and 19,575.75

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Solution

The fourth proportional to 34,479.75, 47,582.10 and 19,575.75 is: 27,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,479.75 : 47,582.10 = 19,575.75 : x
  2. Step 2: Convert to fraction form
    34,479.75/47,582.10 = 19,575.75/x
  3. Step 3: Cross multiply
    34,479.75x = 47,582.10 × 19,575.75
  4. Step 4: Simplify right side
    34,479.75x = 931,455,294.08
  5. Step 5: Solve for x
    x = 931,455,294.08/34,479.75
  6. Step 6: Final answer
    x = 27,014.56

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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.