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Finding the Fourth Proportional to 7,603.14, 11,386.98 and 7,340.34

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Solution

The fourth proportional to 7,603.14, 11,386.98 and 7,340.34 is: 10,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.14 : 11,386.98 = 7,340.34 : x
  2. Step 2: Convert to fraction form
    7,603.14/11,386.98 = 7,340.34/x
  3. Step 3: Cross multiply
    7,603.14x = 11,386.98 × 7,340.34
  4. Step 4: Simplify right side
    7,603.14x = 83,584,304.77
  5. Step 5: Solve for x
    x = 83,584,304.77/7,603.14
  6. Step 6: Final answer
    x = 10,993.39

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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.