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Finding the Fourth Proportional to 5,868.72, 8,802.90 and 2,357.64

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Solution

The fourth proportional to 5,868.72, 8,802.90 and 2,357.64 is: 3,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.72 : 8,802.90 = 2,357.64 : x
  2. Step 2: Convert to fraction form
    5,868.72/8,802.90 = 2,357.64/x
  3. Step 3: Cross multiply
    5,868.72x = 8,802.90 × 2,357.64
  4. Step 4: Simplify right side
    5,868.72x = 20,754,069.16
  5. Step 5: Solve for x
    x = 20,754,069.16/5,868.72
  6. Step 6: Final answer
    x = 3,536.39

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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.