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Finding the Fourth Proportional to 35,861.60, 53,792.40 and 22,728.80

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Solution

The fourth proportional to 35,861.60, 53,792.40 and 22,728.80 is: 34,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.60 : 53,792.40 = 22,728.80 : x
  2. Step 2: Convert to fraction form
    35,861.60/53,792.40 = 22,728.80/x
  3. Step 3: Cross multiply
    35,861.60x = 53,792.40 × 22,728.80
  4. Step 4: Simplify right side
    35,861.60x = 1,222,636,701.12
  5. Step 5: Solve for x
    x = 1,222,636,701.12/35,861.60
  6. Step 6: Final answer
    x = 34,093.20

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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.