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Finding the Fourth Proportional to 9,565.10, 13,197.78 and 5,584.40

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Solution

The fourth proportional to 9,565.10, 13,197.78 and 5,584.40 is: 7,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,565.10 : 13,197.78 = 5,584.40 : x
  2. Step 2: Convert to fraction form
    9,565.10/13,197.78 = 5,584.40/x
  3. Step 3: Cross multiply
    9,565.10x = 13,197.78 × 5,584.40
  4. Step 4: Simplify right side
    9,565.10x = 73,701,682.63
  5. Step 5: Solve for x
    x = 73,701,682.63/9,565.10
  6. Step 6: Final answer
    x = 7,705.27

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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.