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Finding the Fourth Proportional to 48,606.76, 72,917.40 and 15,323.32

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Solution

The fourth proportional to 48,606.76, 72,917.40 and 15,323.32 is: 22,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,606.76 : 72,917.40 = 15,323.32 : x
  2. Step 2: Convert to fraction form
    48,606.76/72,917.40 = 15,323.32/x
  3. Step 3: Cross multiply
    48,606.76x = 72,917.40 × 15,323.32
  4. Step 4: Simplify right side
    48,606.76x = 1,117,336,653.77
  5. Step 5: Solve for x
    x = 1,117,336,653.77/48,606.76
  6. Step 6: Final answer
    x = 22,987.27

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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.