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Finding the Fourth Proportional to 19,374.58, 29,065.29 and 10,012.00

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Solution

The fourth proportional to 19,374.58, 29,065.29 and 10,012.00 is: 15,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.58 : 29,065.29 = 10,012.00 : x
  2. Step 2: Convert to fraction form
    19,374.58/29,065.29 = 10,012.00/x
  3. Step 3: Cross multiply
    19,374.58x = 29,065.29 × 10,012.00
  4. Step 4: Simplify right side
    19,374.58x = 291,001,538.15
  5. Step 5: Solve for x
    x = 291,001,538.15/19,374.58
  6. Step 6: Final answer
    x = 15,019.76

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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.