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Finding the Fourth Proportional to 58,274.54, 87,411.81 and 38,548.49

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Solution

The fourth proportional to 58,274.54, 87,411.81 and 38,548.49 is: 57,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,274.54 : 87,411.81 = 38,548.49 : x
  2. Step 2: Convert to fraction form
    58,274.54/87,411.81 = 38,548.49/x
  3. Step 3: Cross multiply
    58,274.54x = 87,411.81 × 38,548.49
  4. Step 4: Simplify right side
    58,274.54x = 3,369,593,155.06
  5. Step 5: Solve for x
    x = 3,369,593,155.06/58,274.54
  6. Step 6: Final answer
    x = 57,822.73

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Double scale
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Similar ratio
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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.