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Finding the Fourth Proportional to 53,771.60, 80,657.40 and 14,334.80

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Solution

The fourth proportional to 53,771.60, 80,657.40 and 14,334.80 is: 21,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,771.60 : 80,657.40 = 14,334.80 : x
  2. Step 2: Convert to fraction form
    53,771.60/80,657.40 = 14,334.80/x
  3. Step 3: Cross multiply
    53,771.60x = 80,657.40 × 14,334.80
  4. Step 4: Simplify right side
    53,771.60x = 1,156,207,697.52
  5. Step 5: Solve for x
    x = 1,156,207,697.52/53,771.60
  6. Step 6: Final answer
    x = 21,502.20

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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.