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Finding the Fourth Proportional to 7,910.64, 10,916.82 and 4,373.87

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Solution

The fourth proportional to 7,910.64, 10,916.82 and 4,373.87 is: 6,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.64 : 10,916.82 = 4,373.87 : x
  2. Step 2: Convert to fraction form
    7,910.64/10,916.82 = 4,373.87/x
  3. Step 3: Cross multiply
    7,910.64x = 10,916.82 × 4,373.87
  4. Step 4: Simplify right side
    7,910.64x = 47,748,696.91
  5. Step 5: Solve for x
    x = 47,748,696.91/7,910.64
  6. Step 6: Final answer
    x = 6,036.01

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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.