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Finding the Fourth Proportional to 2,417.52, 3,336.20 and 1,313.52

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Solution

The fourth proportional to 2,417.52, 3,336.20 and 1,313.52 is: 1,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.52 : 3,336.20 = 1,313.52 : x
  2. Step 2: Convert to fraction form
    2,417.52/3,336.20 = 1,313.52/x
  3. Step 3: Cross multiply
    2,417.52x = 3,336.20 × 1,313.52
  4. Step 4: Simplify right side
    2,417.52x = 4,382,165.42
  5. Step 5: Solve for x
    x = 4,382,165.42/2,417.52
  6. Step 6: Final answer
    x = 1,812.67

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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.