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Finding the Fourth Proportional to 51,593.99, 77,377.98 and 19,993.19

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Solution

The fourth proportional to 51,593.99, 77,377.98 and 19,993.19 is: 29,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,593.99 : 77,377.98 = 19,993.19 : x
  2. Step 2: Convert to fraction form
    51,593.99/77,377.98 = 19,993.19/x
  3. Step 3: Cross multiply
    51,593.99x = 77,377.98 × 19,993.19
  4. Step 4: Simplify right side
    51,593.99x = 1,547,032,655.96
  5. Step 5: Solve for x
    x = 1,547,032,655.96/51,593.99
  6. Step 6: Final answer
    x = 29,984.75

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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.