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Finding the Fourth Proportional to 13,335.58, 20,009.46 and 7,094.02

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Solution

The fourth proportional to 13,335.58, 20,009.46 and 7,094.02 is: 10,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.58 : 20,009.46 = 7,094.02 : x
  2. Step 2: Convert to fraction form
    13,335.58/20,009.46 = 7,094.02/x
  3. Step 3: Cross multiply
    13,335.58x = 20,009.46 × 7,094.02
  4. Step 4: Simplify right side
    13,335.58x = 141,947,509.43
  5. Step 5: Solve for x
    x = 141,947,509.43/13,335.58
  6. Step 6: Final answer
    x = 10,644.27

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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.