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Finding the Fourth Proportional to 9,354.01, 12,898.07 and 7,647.19

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Solution

The fourth proportional to 9,354.01, 12,898.07 and 7,647.19 is: 10,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.01 : 12,898.07 = 7,647.19 : x
  2. Step 2: Convert to fraction form
    9,354.01/12,898.07 = 7,647.19/x
  3. Step 3: Cross multiply
    9,354.01x = 12,898.07 × 7,647.19
  4. Step 4: Simplify right side
    9,354.01x = 98,633,889.20
  5. Step 5: Solve for x
    x = 98,633,889.20/9,354.01
  6. Step 6: Final answer
    x = 10,544.56

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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.