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Finding the Fourth Proportional to 5,752.40, 8,623.13 and 3,666.55

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Solution

The fourth proportional to 5,752.40, 8,623.13 and 3,666.55 is: 5,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.40 : 8,623.13 = 3,666.55 : x
  2. Step 2: Convert to fraction form
    5,752.40/8,623.13 = 3,666.55/x
  3. Step 3: Cross multiply
    5,752.40x = 8,623.13 × 3,666.55
  4. Step 4: Simplify right side
    5,752.40x = 31,617,144.52
  5. Step 5: Solve for x
    x = 31,617,144.52/5,752.40
  6. Step 6: Final answer
    x = 5,496.34

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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.