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Finding the Fourth Proportional to 8,893.33, 12,271.74 and 5,307.63

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Solution

The fourth proportional to 8,893.33, 12,271.74 and 5,307.63 is: 7,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.33 : 12,271.74 = 5,307.63 : x
  2. Step 2: Convert to fraction form
    8,893.33/12,271.74 = 5,307.63/x
  3. Step 3: Cross multiply
    8,893.33x = 12,271.74 × 5,307.63
  4. Step 4: Simplify right side
    8,893.33x = 65,133,855.38
  5. Step 5: Solve for x
    x = 65,133,855.38/8,893.33
  6. Step 6: Final answer
    x = 7,323.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.