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Finding the Fourth Proportional to 10,873.02, 15,009.36 and 7,341.02

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Solution

The fourth proportional to 10,873.02, 15,009.36 and 7,341.02 is: 10,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.02 : 15,009.36 = 7,341.02 : x
  2. Step 2: Convert to fraction form
    10,873.02/15,009.36 = 7,341.02/x
  3. Step 3: Cross multiply
    10,873.02x = 15,009.36 × 7,341.02
  4. Step 4: Simplify right side
    10,873.02x = 110,184,011.95
  5. Step 5: Solve for x
    x = 110,184,011.95/10,873.02
  6. Step 6: Final answer
    x = 10,133.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.