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Finding the Fourth Proportional to 19,036.59, 28,563.05 and 7,358.01

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Solution

The fourth proportional to 19,036.59, 28,563.05 and 7,358.01 is: 11,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.59 : 28,563.05 = 7,358.01 : x
  2. Step 2: Convert to fraction form
    19,036.59/28,563.05 = 7,358.01/x
  3. Step 3: Cross multiply
    19,036.59x = 28,563.05 × 7,358.01
  4. Step 4: Simplify right side
    19,036.59x = 210,167,207.53
  5. Step 5: Solve for x
    x = 210,167,207.53/19,036.59
  6. Step 6: Final answer
    x = 11,040.17

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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.