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Finding the Fourth Proportional to 8,848.84, 12,211.48 and 4,869.84

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Solution

The fourth proportional to 8,848.84, 12,211.48 and 4,869.84 is: 6,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.84 : 12,211.48 = 4,869.84 : x
  2. Step 2: Convert to fraction form
    8,848.84/12,211.48 = 4,869.84/x
  3. Step 3: Cross multiply
    8,848.84x = 12,211.48 × 4,869.84
  4. Step 4: Simplify right side
    8,848.84x = 59,467,953.76
  5. Step 5: Solve for x
    x = 59,467,953.76/8,848.84
  6. Step 6: Final answer
    x = 6,720.42

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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.