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Finding the Fourth Proportional to 5,776.97, 8,666.01 and 1,616.99

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Solution

The fourth proportional to 5,776.97, 8,666.01 and 1,616.99 is: 2,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.97 : 8,666.01 = 1,616.99 : x
  2. Step 2: Convert to fraction form
    5,776.97/8,666.01 = 1,616.99/x
  3. Step 3: Cross multiply
    5,776.97x = 8,666.01 × 1,616.99
  4. Step 4: Simplify right side
    5,776.97x = 14,012,851.51
  5. Step 5: Solve for x
    x = 14,012,851.51/5,776.97
  6. Step 6: Final answer
    x = 2,425.64

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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.