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Finding the Fourth Proportional to 48,203.40, 72,272.70 and 21,894.60

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Solution

The fourth proportional to 48,203.40, 72,272.70 and 21,894.60 is: 32,827.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,203.40 : 72,272.70 = 21,894.60 : x
  2. Step 2: Convert to fraction form
    48,203.40/72,272.70 = 21,894.60/x
  3. Step 3: Cross multiply
    48,203.40x = 72,272.70 × 21,894.60
  4. Step 4: Simplify right side
    48,203.40x = 1,582,381,857.42
  5. Step 5: Solve for x
    x = 1,582,381,857.42/48,203.40
  6. Step 6: Final answer
    x = 32,827.18

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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.