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Finding the Fourth Proportional to 10,603.96, 14,632.14 and 6,624.28

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Solution

The fourth proportional to 10,603.96, 14,632.14 and 6,624.28 is: 9,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.96 : 14,632.14 = 6,624.28 : x
  2. Step 2: Convert to fraction form
    10,603.96/14,632.14 = 6,624.28/x
  3. Step 3: Cross multiply
    10,603.96x = 14,632.14 × 6,624.28
  4. Step 4: Simplify right side
    10,603.96x = 96,927,392.36
  5. Step 5: Solve for x
    x = 96,927,392.36/10,603.96
  6. Step 6: Final answer
    x = 9,140.68

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