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Finding the Fourth Proportional to 21,503.74, 32,239.05 and 6,703.90

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Solution

The fourth proportional to 21,503.74, 32,239.05 and 6,703.90 is: 10,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.74 : 32,239.05 = 6,703.90 : x
  2. Step 2: Convert to fraction form
    21,503.74/32,239.05 = 6,703.90/x
  3. Step 3: Cross multiply
    21,503.74x = 32,239.05 × 6,703.90
  4. Step 4: Simplify right side
    21,503.74x = 216,127,367.30
  5. Step 5: Solve for x
    x = 216,127,367.30/21,503.74
  6. Step 6: Final answer
    x = 10,050.69

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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.