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Finding the Fourth Proportional to 8,808.36, 13,206.65 and 4,643.97

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Solution

The fourth proportional to 8,808.36, 13,206.65 and 4,643.97 is: 6,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.36 : 13,206.65 = 4,643.97 : x
  2. Step 2: Convert to fraction form
    8,808.36/13,206.65 = 4,643.97/x
  3. Step 3: Cross multiply
    8,808.36x = 13,206.65 × 4,643.97
  4. Step 4: Simplify right side
    8,808.36x = 61,331,263.18
  5. Step 5: Solve for x
    x = 61,331,263.18/8,808.36
  6. Step 6: Final answer
    x = 6,962.85

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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.