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Finding the Fourth Proportional to 8,847.51, 12,208.77 and 4,868.79

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Solution

The fourth proportional to 8,847.51, 12,208.77 and 4,868.79 is: 6,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.51 : 12,208.77 = 4,868.79 : x
  2. Step 2: Convert to fraction form
    8,847.51/12,208.77 = 4,868.79/x
  3. Step 3: Cross multiply
    8,847.51x = 12,208.77 × 4,868.79
  4. Step 4: Simplify right side
    8,847.51x = 59,441,937.29
  5. Step 5: Solve for x
    x = 59,441,937.29/8,847.51
  6. Step 6: Final answer
    x = 6,718.49

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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.