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Finding the Fourth Proportional to 1,888.51, 2,607.01 and 1,132.65

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Solution

The fourth proportional to 1,888.51, 2,607.01 and 1,132.65 is: 1,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.51 : 2,607.01 = 1,132.65 : x
  2. Step 2: Convert to fraction form
    1,888.51/2,607.01 = 1,132.65/x
  3. Step 3: Cross multiply
    1,888.51x = 2,607.01 × 1,132.65
  4. Step 4: Simplify right side
    1,888.51x = 2,952,816.84
  5. Step 5: Solve for x
    x = 2,952,816.84/1,888.51
  6. Step 6: Final answer
    x = 1,563.57

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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.