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Finding the Fourth Proportional to 11,603.41, 17,405.21 and 3,283.70

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Solution

The fourth proportional to 11,603.41, 17,405.21 and 3,283.70 is: 4,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.41 : 17,405.21 = 3,283.70 : x
  2. Step 2: Convert to fraction form
    11,603.41/17,405.21 = 3,283.70/x
  3. Step 3: Cross multiply
    11,603.41x = 17,405.21 × 3,283.70
  4. Step 4: Simplify right side
    11,603.41x = 57,153,384.63
  5. Step 5: Solve for x
    x = 57,153,384.63/11,603.41
  6. Step 6: Final answer
    x = 4,925.57

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1.5x scale

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.