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Finding the Fourth Proportional to 34,123.20, 49,340.40 and 34,123.20

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Solution

The fourth proportional to 34,123.20, 49,340.40 and 34,123.20 is: 49,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,123.20 : 49,340.40 = 34,123.20 : x
  2. Step 2: Convert to fraction form
    34,123.20/49,340.40 = 34,123.20/x
  3. Step 3: Cross multiply
    34,123.20x = 49,340.40 × 34,123.20
  4. Step 4: Simplify right side
    34,123.20x = 1,683,652,337.28
  5. Step 5: Solve for x
    x = 1,683,652,337.28/34,123.20
  6. Step 6: Final answer
    x = 49,340.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.