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Finding the Fourth Proportional to 5,061.99, 6,985.56 and 2,823.99

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Solution

The fourth proportional to 5,061.99, 6,985.56 and 2,823.99 is: 3,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.99 : 6,985.56 = 2,823.99 : x
  2. Step 2: Convert to fraction form
    5,061.99/6,985.56 = 2,823.99/x
  3. Step 3: Cross multiply
    5,061.99x = 6,985.56 × 2,823.99
  4. Step 4: Simplify right side
    5,061.99x = 19,727,151.58
  5. Step 5: Solve for x
    x = 19,727,151.58/5,061.99
  6. Step 6: Final answer
    x = 3,897.11

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1.5x scale

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.