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Finding the Fourth Proportional to 52,068.99, 77,990.07 and 27,033.51

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Solution

The fourth proportional to 52,068.99, 77,990.07 and 27,033.51 is: 40,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,068.99 : 77,990.07 = 27,033.51 : x
  2. Step 2: Convert to fraction form
    52,068.99/77,990.07 = 27,033.51/x
  3. Step 3: Cross multiply
    52,068.99x = 77,990.07 × 27,033.51
  4. Step 4: Simplify right side
    52,068.99x = 2,108,345,337.25
  5. Step 5: Solve for x
    x = 2,108,345,337.25/52,068.99
  6. Step 6: Final answer
    x = 40,491.38

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1.5x scale

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.