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Finding the Fourth Proportional to 25,133.28, 37,706.88 and 7,603.20

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Solution

The fourth proportional to 25,133.28, 37,706.88 and 7,603.20 is: 11,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.28 : 37,706.88 = 7,603.20 : x
  2. Step 2: Convert to fraction form
    25,133.28/37,706.88 = 7,603.20/x
  3. Step 3: Cross multiply
    25,133.28x = 37,706.88 × 7,603.20
  4. Step 4: Simplify right side
    25,133.28x = 286,692,950.02
  5. Step 5: Solve for x
    x = 286,692,950.02/25,133.28
  6. Step 6: Final answer
    x = 11,406.91

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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.