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Finding the Fourth Proportional to 48,852, 67,415.76 and 27,630.81

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Solution

The fourth proportional to 48,852, 67,415.76 and 27,630.81 is: 38,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,852 : 67,415.76 = 27,630.81 : x
  2. Step 2: Convert to fraction form
    48,852/67,415.76 = 27,630.81/x
  3. Step 3: Cross multiply
    48,852x = 67,415.76 × 27,630.81
  4. Step 4: Simplify right side
    48,852x = 1,862,752,055.57
  5. Step 5: Solve for x
    x = 1,862,752,055.57/48,852
  6. Step 6: Final answer
    x = 38,130.52

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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.