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Finding the Fourth Proportional to 53,211.86, 79,836.87 and 22,804.23

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Solution

The fourth proportional to 53,211.86, 79,836.87 and 22,804.23 is: 34,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.86 : 79,836.87 = 22,804.23 : x
  2. Step 2: Convert to fraction form
    53,211.86/79,836.87 = 22,804.23/x
  3. Step 3: Cross multiply
    53,211.86x = 79,836.87 × 22,804.23
  4. Step 4: Simplify right side
    53,211.86x = 1,820,618,345.96
  5. Step 5: Solve for x
    x = 1,820,618,345.96/53,211.86
  6. Step 6: Final answer
    x = 34,214.52

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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.