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Finding the Fourth Proportional to 1,585.68, 2,393.34 and 1,585.68

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Solution

The fourth proportional to 1,585.68, 2,393.34 and 1,585.68 is: 2,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.68 : 2,393.34 = 1,585.68 : x
  2. Step 2: Convert to fraction form
    1,585.68/2,393.34 = 1,585.68/x
  3. Step 3: Cross multiply
    1,585.68x = 2,393.34 × 1,585.68
  4. Step 4: Simplify right side
    1,585.68x = 3,795,071.37
  5. Step 5: Solve for x
    x = 3,795,071.37/1,585.68
  6. Step 6: Final answer
    x = 2,393.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.