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Finding the Fourth Proportional to 2,916.86, 4,373.02 and 1,529.24

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Solution

The fourth proportional to 2,916.86, 4,373.02 and 1,529.24 is: 2,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.86 : 4,373.02 = 1,529.24 : x
  2. Step 2: Convert to fraction form
    2,916.86/4,373.02 = 1,529.24/x
  3. Step 3: Cross multiply
    2,916.86x = 4,373.02 × 1,529.24
  4. Step 4: Simplify right side
    2,916.86x = 6,687,397.10
  5. Step 5: Solve for x
    x = 6,687,397.10/2,916.86
  6. Step 6: Final answer
    x = 2,292.67

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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.