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Finding the Fourth Proportional to 1,574.07, 2,360.09 and 752.32

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Solution

The fourth proportional to 1,574.07, 2,360.09 and 752.32 is: 1,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.07 : 2,360.09 = 752.32 : x
  2. Step 2: Convert to fraction form
    1,574.07/2,360.09 = 752.32/x
  3. Step 3: Cross multiply
    1,574.07x = 2,360.09 × 752.32
  4. Step 4: Simplify right side
    1,574.07x = 1,775,539.15
  5. Step 5: Solve for x
    x = 1,775,539.15/1,574.07
  6. Step 6: Final answer
    x = 1,128.00

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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.