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Finding the Fourth Proportional to 8,848.77, 12,211.85 and 4,870.77

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Solution

The fourth proportional to 8,848.77, 12,211.85 and 4,870.77 is: 6,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.77 : 12,211.85 = 4,870.77 : x
  2. Step 2: Convert to fraction form
    8,848.77/12,211.85 = 4,870.77/x
  3. Step 3: Cross multiply
    8,848.77x = 12,211.85 × 4,870.77
  4. Step 4: Simplify right side
    8,848.77x = 59,481,112.62
  5. Step 5: Solve for x
    x = 59,481,112.62/8,848.77
  6. Step 6: Final answer
    x = 6,721.96

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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.