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Finding the Fourth Proportional to 35,123.80, 52,612.10 and 16,419.80

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Solution

The fourth proportional to 35,123.80, 52,612.10 and 16,419.80 is: 24,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,123.80 : 52,612.10 = 16,419.80 : x
  2. Step 2: Convert to fraction form
    35,123.80/52,612.10 = 16,419.80/x
  3. Step 3: Cross multiply
    35,123.80x = 52,612.10 × 16,419.80
  4. Step 4: Simplify right side
    35,123.80x = 863,880,159.58
  5. Step 5: Solve for x
    x = 863,880,159.58/35,123.80
  6. Step 6: Final answer
    x = 24,595.29

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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.