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Finding the Fourth Proportional to 63,007.60, 94,511.40 and 31,514.80

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Solution

The fourth proportional to 63,007.60, 94,511.40 and 31,514.80 is: 47,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,007.60 : 94,511.40 = 31,514.80 : x
  2. Step 2: Convert to fraction form
    63,007.60/94,511.40 = 31,514.80/x
  3. Step 3: Cross multiply
    63,007.60x = 94,511.40 × 31,514.80
  4. Step 4: Simplify right side
    63,007.60x = 2,978,507,868.72
  5. Step 5: Solve for x
    x = 2,978,507,868.72/63,007.60
  6. Step 6: Final answer
    x = 47,272.20

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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.