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Finding the Fourth Proportional to 4,603.15, 6,905.13 and 1,316.17

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Solution

The fourth proportional to 4,603.15, 6,905.13 and 1,316.17 is: 1,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.15 : 6,905.13 = 1,316.17 : x
  2. Step 2: Convert to fraction form
    4,603.15/6,905.13 = 1,316.17/x
  3. Step 3: Cross multiply
    4,603.15x = 6,905.13 × 1,316.17
  4. Step 4: Simplify right side
    4,603.15x = 9,088,324.95
  5. Step 5: Solve for x
    x = 9,088,324.95/4,603.15
  6. Step 6: Final answer
    x = 1,974.37

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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.