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Finding the Fourth Proportional to 48,462.94, 72,695.13 and 12,925

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Solution

The fourth proportional to 48,462.94, 72,695.13 and 12,925 is: 19,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,462.94 : 72,695.13 = 12,925 : x
  2. Step 2: Convert to fraction form
    48,462.94/72,695.13 = 12,925/x
  3. Step 3: Cross multiply
    48,462.94x = 72,695.13 × 12,925
  4. Step 4: Simplify right side
    48,462.94x = 939,584,555.25
  5. Step 5: Solve for x
    x = 939,584,555.25/48,462.94
  6. Step 6: Final answer
    x = 19,387.69

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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.