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Finding the Fourth Proportional to 30,035.95, 45,054.66 and 14,237.17

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Solution

The fourth proportional to 30,035.95, 45,054.66 and 14,237.17 is: 21,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.95 : 45,054.66 = 14,237.17 : x
  2. Step 2: Convert to fraction form
    30,035.95/45,054.66 = 14,237.17/x
  3. Step 3: Cross multiply
    30,035.95x = 45,054.66 × 14,237.17
  4. Step 4: Simplify right side
    30,035.95x = 641,450,794.46
  5. Step 5: Solve for x
    x = 641,450,794.46/30,035.95
  6. Step 6: Final answer
    x = 21,356.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.