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Finding the Fourth Proportional to 9,292.36, 12,818.10 and 5,564.20

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Solution

The fourth proportional to 9,292.36, 12,818.10 and 5,564.20 is: 7,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.36 : 12,818.10 = 5,564.20 : x
  2. Step 2: Convert to fraction form
    9,292.36/12,818.10 = 5,564.20/x
  3. Step 3: Cross multiply
    9,292.36x = 12,818.10 × 5,564.20
  4. Step 4: Simplify right side
    9,292.36x = 71,322,472.02
  5. Step 5: Solve for x
    x = 71,322,472.02/9,292.36
  6. Step 6: Final answer
    x = 7,675.39

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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.