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Finding the Fourth Proportional to 5,782.74, 8,673.95 and 1,622.78

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Solution

The fourth proportional to 5,782.74, 8,673.95 and 1,622.78 is: 2,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.74 : 8,673.95 = 1,622.78 : x
  2. Step 2: Convert to fraction form
    5,782.74/8,673.95 = 1,622.78/x
  3. Step 3: Cross multiply
    5,782.74x = 8,673.95 × 1,622.78
  4. Step 4: Simplify right side
    5,782.74x = 14,075,905.80
  5. Step 5: Solve for x
    x = 14,075,905.80/5,782.74
  6. Step 6: Final answer
    x = 2,434.13

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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.