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Finding the Fourth Proportional to 53,269.70, 79,904.55 and 29,893.10

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Solution

The fourth proportional to 53,269.70, 79,904.55 and 29,893.10 is: 44,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.70 : 79,904.55 = 29,893.10 : x
  2. Step 2: Convert to fraction form
    53,269.70/79,904.55 = 29,893.10/x
  3. Step 3: Cross multiply
    53,269.70x = 79,904.55 × 29,893.10
  4. Step 4: Simplify right side
    53,269.70x = 2,388,594,703.61
  5. Step 5: Solve for x
    x = 2,388,594,703.61/53,269.70
  6. Step 6: Final answer
    x = 44,839.65

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Similar ratio
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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.