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Finding the Fourth Proportional to 5,363.92, 8,006.70 and 4,968.18

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Solution

The fourth proportional to 5,363.92, 8,006.70 and 4,968.18 is: 7,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.92 : 8,006.70 = 4,968.18 : x
  2. Step 2: Convert to fraction form
    5,363.92/8,006.70 = 4,968.18/x
  3. Step 3: Cross multiply
    5,363.92x = 8,006.70 × 4,968.18
  4. Step 4: Simplify right side
    5,363.92x = 39,778,726.81
  5. Step 5: Solve for x
    x = 39,778,726.81/5,363.92
  6. Step 6: Final answer
    x = 7,415.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.