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Finding the Fourth Proportional to 35,010.60, 52,515.90 and 21,877.80

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Solution

The fourth proportional to 35,010.60, 52,515.90 and 21,877.80 is: 32,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,010.60 : 52,515.90 = 21,877.80 : x
  2. Step 2: Convert to fraction form
    35,010.60/52,515.90 = 21,877.80/x
  3. Step 3: Cross multiply
    35,010.60x = 52,515.90 × 21,877.80
  4. Step 4: Simplify right side
    35,010.60x = 1,148,932,357.02
  5. Step 5: Solve for x
    x = 1,148,932,357.02/35,010.60
  6. Step 6: Final answer
    x = 32,816.70

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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.