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Finding the Fourth Proportional to 8,897.54, 13,318.62 and 5,603.71

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Solution

The fourth proportional to 8,897.54, 13,318.62 and 5,603.71 is: 8,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.54 : 13,318.62 = 5,603.71 : x
  2. Step 2: Convert to fraction form
    8,897.54/13,318.62 = 5,603.71/x
  3. Step 3: Cross multiply
    8,897.54x = 13,318.62 × 5,603.71
  4. Step 4: Simplify right side
    8,897.54x = 74,633,684.08
  5. Step 5: Solve for x
    x = 74,633,684.08/8,897.54
  6. Step 6: Final answer
    x = 8,388.13

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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.