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Finding the Fourth Proportional to 27,807.10, 41,710.80 and 7,030.60

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Solution

The fourth proportional to 27,807.10, 41,710.80 and 7,030.60 is: 10,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.10 : 41,710.80 = 7,030.60 : x
  2. Step 2: Convert to fraction form
    27,807.10/41,710.80 = 7,030.60/x
  3. Step 3: Cross multiply
    27,807.10x = 41,710.80 × 7,030.60
  4. Step 4: Simplify right side
    27,807.10x = 293,251,950.48
  5. Step 5: Solve for x
    x = 293,251,950.48/27,807.10
  6. Step 6: Final answer
    x = 10,545.94

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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.