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Finding the Fourth Proportional to 9,607.81, 14,420.70 and 5,917.24

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Solution

The fourth proportional to 9,607.81, 14,420.70 and 5,917.24 is: 8,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,607.81 : 14,420.70 = 5,917.24 : x
  2. Step 2: Convert to fraction form
    9,607.81/14,420.70 = 5,917.24/x
  3. Step 3: Cross multiply
    9,607.81x = 14,420.70 × 5,917.24
  4. Step 4: Simplify right side
    9,607.81x = 85,330,742.87
  5. Step 5: Solve for x
    x = 85,330,742.87/9,607.81
  6. Step 6: Final answer
    x = 8,881.39

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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.