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Finding the Fourth Proportional to 35,099.19, 52,658.02 and 12,612.14

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Solution

The fourth proportional to 35,099.19, 52,658.02 and 12,612.14 is: 18,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,099.19 : 52,658.02 = 12,612.14 : x
  2. Step 2: Convert to fraction form
    35,099.19/52,658.02 = 12,612.14/x
  3. Step 3: Cross multiply
    35,099.19x = 52,658.02 × 12,612.14
  4. Step 4: Simplify right side
    35,099.19x = 664,130,270.31
  5. Step 5: Solve for x
    x = 664,130,270.31/35,099.19
  6. Step 6: Final answer
    x = 18,921.53

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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.