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Finding the Fourth Proportional to 35,937.60, 53,908.80 and 12,244.80

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Solution

The fourth proportional to 35,937.60, 53,908.80 and 12,244.80 is: 18,368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,937.60 : 53,908.80 = 12,244.80 : x
  2. Step 2: Convert to fraction form
    35,937.60/53,908.80 = 12,244.80/x
  3. Step 3: Cross multiply
    35,937.60x = 53,908.80 × 12,244.80
  4. Step 4: Simplify right side
    35,937.60x = 660,102,474.24
  5. Step 5: Solve for x
    x = 660,102,474.24/35,937.60
  6. Step 6: Final answer
    x = 18,368.02

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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.