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Finding the Fourth Proportional to 1,837.32, 2,535.50 and 1,009.32

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Solution

The fourth proportional to 1,837.32, 2,535.50 and 1,009.32 is: 1,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.32 : 2,535.50 = 1,009.32 : x
  2. Step 2: Convert to fraction form
    1,837.32/2,535.50 = 1,009.32/x
  3. Step 3: Cross multiply
    1,837.32x = 2,535.50 × 1,009.32
  4. Step 4: Simplify right side
    1,837.32x = 2,559,130.86
  5. Step 5: Solve for x
    x = 2,559,130.86/1,837.32
  6. Step 6: Final answer
    x = 1,392.86

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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.