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Finding the Fourth Proportional to 8,922.93, 13,374.72 and 5,805.16

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Solution

The fourth proportional to 8,922.93, 13,374.72 and 5,805.16 is: 8,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.93 : 13,374.72 = 5,805.16 : x
  2. Step 2: Convert to fraction form
    8,922.93/13,374.72 = 5,805.16/x
  3. Step 3: Cross multiply
    8,922.93x = 13,374.72 × 5,805.16
  4. Step 4: Simplify right side
    8,922.93x = 77,642,337.19
  5. Step 5: Solve for x
    x = 77,642,337.19/8,922.93
  6. Step 6: Final answer
    x = 8,701.44

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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.