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Finding the Fourth Proportional to 8,902.04, 12,284.44 and 4,868.81

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Solution

The fourth proportional to 8,902.04, 12,284.44 and 4,868.81 is: 6,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.04 : 12,284.44 = 4,868.81 : x
  2. Step 2: Convert to fraction form
    8,902.04/12,284.44 = 4,868.81/x
  3. Step 3: Cross multiply
    8,902.04x = 12,284.44 × 4,868.81
  4. Step 4: Simplify right side
    8,902.04x = 59,810,518.55
  5. Step 5: Solve for x
    x = 59,810,518.55/8,902.04
  6. Step 6: Final answer
    x = 6,718.74

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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.