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Finding the Fourth Proportional to 24,728.40, 37,085.40 and 8,931.60

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Solution

The fourth proportional to 24,728.40, 37,085.40 and 8,931.60 is: 13,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,728.40 : 37,085.40 = 8,931.60 : x
  2. Step 2: Convert to fraction form
    24,728.40/37,085.40 = 8,931.60/x
  3. Step 3: Cross multiply
    24,728.40x = 37,085.40 × 8,931.60
  4. Step 4: Simplify right side
    24,728.40x = 331,231,958.64
  5. Step 5: Solve for x
    x = 331,231,958.64/24,728.40
  6. Step 6: Final answer
    x = 13,394.80

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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.