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Finding the Fourth Proportional to 4,848.07, 7,272.11 and 1,385.32

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Solution

The fourth proportional to 4,848.07, 7,272.11 and 1,385.32 is: 2,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.07 : 7,272.11 = 1,385.32 : x
  2. Step 2: Convert to fraction form
    4,848.07/7,272.11 = 1,385.32/x
  3. Step 3: Cross multiply
    4,848.07x = 7,272.11 × 1,385.32
  4. Step 4: Simplify right side
    4,848.07x = 10,074,217.61
  5. Step 5: Solve for x
    x = 10,074,217.61/4,848.07
  6. Step 6: Final answer
    x = 2,077.98

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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.