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Finding the Fourth Proportional to 6,360.84, 9,534.42 and 6,291.72

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Solution

The fourth proportional to 6,360.84, 9,534.42 and 6,291.72 is: 9,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.84 : 9,534.42 = 6,291.72 : x
  2. Step 2: Convert to fraction form
    6,360.84/9,534.42 = 6,291.72/x
  3. Step 3: Cross multiply
    6,360.84x = 9,534.42 × 6,291.72
  4. Step 4: Simplify right side
    6,360.84x = 59,987,901.00
  5. Step 5: Solve for x
    x = 59,987,901.00/6,360.84
  6. Step 6: Final answer
    x = 9,430.81

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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.