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Finding the Fourth Proportional to 55,770.70, 83,649.92 and 16,328.20

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Solution

The fourth proportional to 55,770.70, 83,649.92 and 16,328.20 is: 24,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.70 : 83,649.92 = 16,328.20 : x
  2. Step 2: Convert to fraction form
    55,770.70/83,649.92 = 16,328.20/x
  3. Step 3: Cross multiply
    55,770.70x = 83,649.92 × 16,328.20
  4. Step 4: Simplify right side
    55,770.70x = 1,365,852,623.74
  5. Step 5: Solve for x
    x = 1,365,852,623.74/55,770.70
  6. Step 6: Final answer
    x = 24,490.51

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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.