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Finding the Fourth Proportional to 48,607.72, 72,905.82 and 15,326.44

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Solution

The fourth proportional to 48,607.72, 72,905.82 and 15,326.44 is: 22,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,607.72 : 72,905.82 = 15,326.44 : x
  2. Step 2: Convert to fraction form
    48,607.72/72,905.82 = 15,326.44/x
  3. Step 3: Cross multiply
    48,607.72x = 72,905.82 × 15,326.44
  4. Step 4: Simplify right side
    48,607.72x = 1,117,386,675.88
  5. Step 5: Solve for x
    x = 1,117,386,675.88/48,607.72
  6. Step 6: Final answer
    x = 22,987.84

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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.