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Finding the Fourth Proportional to 9,858.78, 14,794.56 and 4,312.26

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Solution

The fourth proportional to 9,858.78, 14,794.56 and 4,312.26 is: 6,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.78 : 14,794.56 = 4,312.26 : x
  2. Step 2: Convert to fraction form
    9,858.78/14,794.56 = 4,312.26/x
  3. Step 3: Cross multiply
    9,858.78x = 14,794.56 × 4,312.26
  4. Step 4: Simplify right side
    9,858.78x = 63,797,989.31
  5. Step 5: Solve for x
    x = 63,797,989.31/9,858.78
  6. Step 6: Final answer
    x = 6,471.19

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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.