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Finding the Fourth Proportional to 6,866.01, 9,477.72 and 4,217.04

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Solution

The fourth proportional to 6,866.01, 9,477.72 and 4,217.04 is: 5,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.01 : 9,477.72 = 4,217.04 : x
  2. Step 2: Convert to fraction form
    6,866.01/9,477.72 = 4,217.04/x
  3. Step 3: Cross multiply
    6,866.01x = 9,477.72 × 4,217.04
  4. Step 4: Simplify right side
    6,866.01x = 39,967,924.35
  5. Step 5: Solve for x
    x = 39,967,924.35/6,866.01
  6. Step 6: Final answer
    x = 5,821.13

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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.