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Finding the Fourth Proportional to 14,534.93, 21,804.21 and 7,133.15

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Solution

The fourth proportional to 14,534.93, 21,804.21 and 7,133.15 is: 10,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.93 : 21,804.21 = 7,133.15 : x
  2. Step 2: Convert to fraction form
    14,534.93/21,804.21 = 7,133.15/x
  3. Step 3: Cross multiply
    14,534.93x = 21,804.21 × 7,133.15
  4. Step 4: Simplify right side
    14,534.93x = 155,532,591.54
  5. Step 5: Solve for x
    x = 155,532,591.54/14,534.93
  6. Step 6: Final answer
    x = 10,700.61

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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.