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Finding the Fourth Proportional to 8,914.93, 13,359.64 and 5,011.14

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Solution

The fourth proportional to 8,914.93, 13,359.64 and 5,011.14 is: 7,509.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.93 : 13,359.64 = 5,011.14 : x
  2. Step 2: Convert to fraction form
    8,914.93/13,359.64 = 5,011.14/x
  3. Step 3: Cross multiply
    8,914.93x = 13,359.64 × 5,011.14
  4. Step 4: Simplify right side
    8,914.93x = 66,947,026.39
  5. Step 5: Solve for x
    x = 66,947,026.39/8,914.93
  6. Step 6: Final answer
    x = 7,509.54

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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.