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Finding the Fourth Proportional to 15,810, 23,715.04 and 4,866

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Solution

The fourth proportional to 15,810, 23,715.04 and 4,866 is: 7,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810 : 23,715.04 = 4,866 : x
  2. Step 2: Convert to fraction form
    15,810/23,715.04 = 4,866/x
  3. Step 3: Cross multiply
    15,810x = 23,715.04 × 4,866
  4. Step 4: Simplify right side
    15,810x = 115,397,384.64
  5. Step 5: Solve for x
    x = 115,397,384.64/15,810
  6. Step 6: Final answer
    x = 7,299.01

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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.