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Finding the Fourth Proportional to 48,852.40, 67,416.60 and 27,630.40

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Solution

The fourth proportional to 48,852.40, 67,416.60 and 27,630.40 is: 38,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,852.40 : 67,416.60 = 27,630.40 : x
  2. Step 2: Convert to fraction form
    48,852.40/67,416.60 = 27,630.40/x
  3. Step 3: Cross multiply
    48,852.40x = 67,416.60 × 27,630.40
  4. Step 4: Simplify right side
    48,852.40x = 1,862,747,624.64
  5. Step 5: Solve for x
    x = 1,862,747,624.64/48,852.40
  6. Step 6: Final answer
    x = 38,130.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.