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Finding the Fourth Proportional to 19,064.52, 28,587.03 and 7,968.18

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Solution

The fourth proportional to 19,064.52, 28,587.03 and 7,968.18 is: 11,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.52 : 28,587.03 = 7,968.18 : x
  2. Step 2: Convert to fraction form
    19,064.52/28,587.03 = 7,968.18/x
  3. Step 3: Cross multiply
    19,064.52x = 28,587.03 × 7,968.18
  4. Step 4: Simplify right side
    19,064.52x = 227,786,600.71
  5. Step 5: Solve for x
    x = 227,786,600.71/19,064.52
  6. Step 6: Final answer
    x = 11,948.19

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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.