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Finding the Fourth Proportional to 6,368.04, 8,788.32 and 3,715.56

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Solution

The fourth proportional to 6,368.04, 8,788.32 and 3,715.56 is: 5,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.04 : 8,788.32 = 3,715.56 : x
  2. Step 2: Convert to fraction form
    6,368.04/8,788.32 = 3,715.56/x
  3. Step 3: Cross multiply
    6,368.04x = 8,788.32 × 3,715.56
  4. Step 4: Simplify right side
    6,368.04x = 32,653,530.26
  5. Step 5: Solve for x
    x = 32,653,530.26/6,368.04
  6. Step 6: Final answer
    x = 5,127.72

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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.