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Finding the Fourth Proportional to 48,670.52, 67,165.40 and 28,523.40

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Solution

The fourth proportional to 48,670.52, 67,165.40 and 28,523.40 is: 39,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.52 : 67,165.40 = 28,523.40 : x
  2. Step 2: Convert to fraction form
    48,670.52/67,165.40 = 28,523.40/x
  3. Step 3: Cross multiply
    48,670.52x = 67,165.40 × 28,523.40
  4. Step 4: Simplify right side
    48,670.52x = 1,915,785,570.36
  5. Step 5: Solve for x
    x = 1,915,785,570.36/48,670.52
  6. Step 6: Final answer
    x = 39,362.34

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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.