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Finding the Fourth Proportional to 13,665.93, 20,510.04 and 7,094.00

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Solution

The fourth proportional to 13,665.93, 20,510.04 and 7,094.00 is: 10,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.93 : 20,510.04 = 7,094.00 : x
  2. Step 2: Convert to fraction form
    13,665.93/20,510.04 = 7,094.00/x
  3. Step 3: Cross multiply
    13,665.93x = 20,510.04 × 7,094.00
  4. Step 4: Simplify right side
    13,665.93x = 145,498,121.21
  5. Step 5: Solve for x
    x = 145,498,121.21/13,665.93
  6. Step 6: Final answer
    x = 10,646.78

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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.