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Finding the Fourth Proportional to 49,613.40, 74,420.10 and 29,930.40

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Solution

The fourth proportional to 49,613.40, 74,420.10 and 29,930.40 is: 44,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,613.40 : 74,420.10 = 29,930.40 : x
  2. Step 2: Convert to fraction form
    49,613.40/74,420.10 = 29,930.40/x
  3. Step 3: Cross multiply
    49,613.40x = 74,420.10 × 29,930.40
  4. Step 4: Simplify right side
    49,613.40x = 2,227,423,361.04
  5. Step 5: Solve for x
    x = 2,227,423,361.04/49,613.40
  6. Step 6: Final answer
    x = 44,895.60

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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.