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Finding the Fourth Proportional to 48,632.14, 72,948.14 and 19,029.20

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Solution

The fourth proportional to 48,632.14, 72,948.14 and 19,029.20 is: 28,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,632.14 : 72,948.14 = 19,029.20 : x
  2. Step 2: Convert to fraction form
    48,632.14/72,948.14 = 19,029.20/x
  3. Step 3: Cross multiply
    48,632.14x = 72,948.14 × 19,029.20
  4. Step 4: Simplify right side
    48,632.14x = 1,388,144,745.69
  5. Step 5: Solve for x
    x = 1,388,144,745.69/48,632.14
  6. Step 6: Final answer
    x = 28,543.77

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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.