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Finding the Fourth Proportional to 7,360.53, 11,015.28 and 7,054.35

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Solution

The fourth proportional to 7,360.53, 11,015.28 and 7,054.35 is: 10,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.53 : 11,015.28 = 7,054.35 : x
  2. Step 2: Convert to fraction form
    7,360.53/11,015.28 = 7,054.35/x
  3. Step 3: Cross multiply
    7,360.53x = 11,015.28 × 7,054.35
  4. Step 4: Simplify right side
    7,360.53x = 77,705,694.46
  5. Step 5: Solve for x
    x = 77,705,694.46/7,360.53
  6. Step 6: Final answer
    x = 10,557.08

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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.