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Finding the Fourth Proportional to 1,740.79, 2,401.65 and 1,032.65

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Solution

The fourth proportional to 1,740.79, 2,401.65 and 1,032.65 is: 1,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.79 : 2,401.65 = 1,032.65 : x
  2. Step 2: Convert to fraction form
    1,740.79/2,401.65 = 1,032.65/x
  3. Step 3: Cross multiply
    1,740.79x = 2,401.65 × 1,032.65
  4. Step 4: Simplify right side
    1,740.79x = 2,480,060.87
  5. Step 5: Solve for x
    x = 2,480,060.87/1,740.79
  6. Step 6: Final answer
    x = 1,424.67

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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.