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Finding the Fourth Proportional to 16,292.70, 22,483.93 and 8,840.70

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Solution

The fourth proportional to 16,292.70, 22,483.93 and 8,840.70 is: 12,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,292.70 : 22,483.93 = 8,840.70 : x
  2. Step 2: Convert to fraction form
    16,292.70/22,483.93 = 8,840.70/x
  3. Step 3: Cross multiply
    16,292.70x = 22,483.93 × 8,840.70
  4. Step 4: Simplify right side
    16,292.70x = 198,773,679.95
  5. Step 5: Solve for x
    x = 198,773,679.95/16,292.70
  6. Step 6: Final answer
    x = 12,200.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.