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Finding the Fourth Proportional to 2,599.26, 3,898.85 and 750.30

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Solution

The fourth proportional to 2,599.26, 3,898.85 and 750.30 is: 1,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.26 : 3,898.85 = 750.30 : x
  2. Step 2: Convert to fraction form
    2,599.26/3,898.85 = 750.30/x
  3. Step 3: Cross multiply
    2,599.26x = 3,898.85 × 750.30
  4. Step 4: Simplify right side
    2,599.26x = 2,925,303.40
  5. Step 5: Solve for x
    x = 2,925,303.40/2,599.26
  6. Step 6: Final answer
    x = 1,125.44

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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.