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Finding the Fourth Proportional to 1,501.65, 2,253.23 and 624.83

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Solution

The fourth proportional to 1,501.65, 2,253.23 and 624.83 is: 937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.65 : 2,253.23 = 624.83 : x
  2. Step 2: Convert to fraction form
    1,501.65/2,253.23 = 624.83/x
  3. Step 3: Cross multiply
    1,501.65x = 2,253.23 × 624.83
  4. Step 4: Simplify right side
    1,501.65x = 1,407,871.31
  5. Step 5: Solve for x
    x = 1,407,871.31/1,501.65
  6. Step 6: Final answer
    x = 937.55

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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.