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Finding the Fourth Proportional to 9,811.62, 13,536.60 and 5,562.06

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Solution

The fourth proportional to 9,811.62, 13,536.60 and 5,562.06 is: 7,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.62 : 13,536.60 = 5,562.06 : x
  2. Step 2: Convert to fraction form
    9,811.62/13,536.60 = 5,562.06/x
  3. Step 3: Cross multiply
    9,811.62x = 13,536.60 × 5,562.06
  4. Step 4: Simplify right side
    9,811.62x = 75,291,381.40
  5. Step 5: Solve for x
    x = 75,291,381.40/9,811.62
  6. Step 6: Final answer
    x = 7,673.70

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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.