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Finding the Fourth Proportional to 8,549.99, 12,823.71 and 2,705.84

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Solution

The fourth proportional to 8,549.99, 12,823.71 and 2,705.84 is: 4,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.99 : 12,823.71 = 2,705.84 : x
  2. Step 2: Convert to fraction form
    8,549.99/12,823.71 = 2,705.84/x
  3. Step 3: Cross multiply
    8,549.99x = 12,823.71 × 2,705.84
  4. Step 4: Simplify right side
    8,549.99x = 34,698,907.47
  5. Step 5: Solve for x
    x = 34,698,907.47/8,549.99
  6. Step 6: Final answer
    x = 4,058.36

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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.