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Finding the Fourth Proportional to 32,407.50, 48,611.25 and 10,519.50

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Solution

The fourth proportional to 32,407.50, 48,611.25 and 10,519.50 is: 15,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,407.50 : 48,611.25 = 10,519.50 : x
  2. Step 2: Convert to fraction form
    32,407.50/48,611.25 = 10,519.50/x
  3. Step 3: Cross multiply
    32,407.50x = 48,611.25 × 10,519.50
  4. Step 4: Simplify right side
    32,407.50x = 511,366,044.38
  5. Step 5: Solve for x
    x = 511,366,044.38/32,407.50
  6. Step 6: Final answer
    x = 15,779.25

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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.