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Finding the Fourth Proportional to 48,228.94, 72,253.50 and 28,448.74

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Solution

The fourth proportional to 48,228.94, 72,253.50 and 28,448.74 is: 42,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,228.94 : 72,253.50 = 28,448.74 : x
  2. Step 2: Convert to fraction form
    48,228.94/72,253.50 = 28,448.74/x
  3. Step 3: Cross multiply
    48,228.94x = 72,253.50 × 28,448.74
  4. Step 4: Simplify right side
    48,228.94x = 2,055,521,035.59
  5. Step 5: Solve for x
    x = 2,055,521,035.59/48,228.94
  6. Step 6: Final answer
    x = 42,620.07

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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.