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Finding the Fourth Proportional to 9,425.04, 13,008.40 and 6,238.40

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Solution

The fourth proportional to 9,425.04, 13,008.40 and 6,238.40 is: 8,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.04 : 13,008.40 = 6,238.40 : x
  2. Step 2: Convert to fraction form
    9,425.04/13,008.40 = 6,238.40/x
  3. Step 3: Cross multiply
    9,425.04x = 13,008.40 × 6,238.40
  4. Step 4: Simplify right side
    9,425.04x = 81,151,602.56
  5. Step 5: Solve for x
    x = 81,151,602.56/9,425.04
  6. Step 6: Final answer
    x = 8,610.21

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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.