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Finding the Fourth Proportional to 2,392.99, 3,302.27 and 1,345.05

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Solution

The fourth proportional to 2,392.99, 3,302.27 and 1,345.05 is: 1,856.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.99 : 3,302.27 = 1,345.05 : x
  2. Step 2: Convert to fraction form
    2,392.99/3,302.27 = 1,345.05/x
  3. Step 3: Cross multiply
    2,392.99x = 3,302.27 × 1,345.05
  4. Step 4: Simplify right side
    2,392.99x = 4,441,718.26
  5. Step 5: Solve for x
    x = 4,441,718.26/2,392.99
  6. Step 6: Final answer
    x = 1,856.14

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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.