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Finding the Fourth Proportional to 6,689.99, 10,032.08 and 3,569.30

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Solution

The fourth proportional to 6,689.99, 10,032.08 and 3,569.30 is: 5,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.99 : 10,032.08 = 3,569.30 : x
  2. Step 2: Convert to fraction form
    6,689.99/10,032.08 = 3,569.30/x
  3. Step 3: Cross multiply
    6,689.99x = 10,032.08 × 3,569.30
  4. Step 4: Simplify right side
    6,689.99x = 35,807,472.76
  5. Step 5: Solve for x
    x = 35,807,472.76/6,689.99
  6. Step 6: Final answer
    x = 5,352.40

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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.