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Finding the Fourth Proportional to 6,367.65, 8,788.40 and 3,535.93

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Solution

The fourth proportional to 6,367.65, 8,788.40 and 3,535.93 is: 4,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.65 : 8,788.40 = 3,535.93 : x
  2. Step 2: Convert to fraction form
    6,367.65/8,788.40 = 3,535.93/x
  3. Step 3: Cross multiply
    6,367.65x = 8,788.40 × 3,535.93
  4. Step 4: Simplify right side
    6,367.65x = 31,075,154.08
  5. Step 5: Solve for x
    x = 31,075,154.08/6,367.65
  6. Step 6: Final answer
    x = 4,880.16

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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.