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Finding the Fourth Proportional to 53,222.88, 79,834.32 and 36,532.30

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Solution

The fourth proportional to 53,222.88, 79,834.32 and 36,532.30 is: 54,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,222.88 : 79,834.32 = 36,532.30 : x
  2. Step 2: Convert to fraction form
    53,222.88/79,834.32 = 36,532.30/x
  3. Step 3: Cross multiply
    53,222.88x = 79,834.32 × 36,532.30
  4. Step 4: Simplify right side
    53,222.88x = 2,916,531,328.54
  5. Step 5: Solve for x
    x = 2,916,531,328.54/53,222.88
  6. Step 6: Final answer
    x = 54,798.45

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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.