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Finding the Fourth Proportional to 9,378.05, 14,114.03 and 7,050.11

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Solution

The fourth proportional to 9,378.05, 14,114.03 and 7,050.11 is: 10,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.05 : 14,114.03 = 7,050.11 : x
  2. Step 2: Convert to fraction form
    9,378.05/14,114.03 = 7,050.11/x
  3. Step 3: Cross multiply
    9,378.05x = 14,114.03 × 7,050.11
  4. Step 4: Simplify right side
    9,378.05x = 99,505,358.22
  5. Step 5: Solve for x
    x = 99,505,358.22/9,378.05
  6. Step 6: Final answer
    x = 10,610.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.