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Finding the Fourth Proportional to 48,319.84, 72,504.50 and 22,021.20

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Solution

The fourth proportional to 48,319.84, 72,504.50 and 22,021.20 is: 33,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,319.84 : 72,504.50 = 22,021.20 : x
  2. Step 2: Convert to fraction form
    48,319.84/72,504.50 = 22,021.20/x
  3. Step 3: Cross multiply
    48,319.84x = 72,504.50 × 22,021.20
  4. Step 4: Simplify right side
    48,319.84x = 1,596,636,095.40
  5. Step 5: Solve for x
    x = 1,596,636,095.40/48,319.84
  6. Step 6: Final answer
    x = 33,043.07

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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.