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Finding the Fourth Proportional to 34,479.60, 47,574.36 and 19,575.60

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Solution

The fourth proportional to 34,479.60, 47,574.36 and 19,575.60 is: 27,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,479.60 : 47,574.36 = 19,575.60 : x
  2. Step 2: Convert to fraction form
    34,479.60/47,574.36 = 19,575.60/x
  3. Step 3: Cross multiply
    34,479.60x = 47,574.36 × 19,575.60
  4. Step 4: Simplify right side
    34,479.60x = 931,296,641.62
  5. Step 5: Solve for x
    x = 931,296,641.62/34,479.60
  6. Step 6: Final answer
    x = 27,010.08

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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.