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Finding the Fourth Proportional to 35,462.80, 53,194.20 and 14,402.80

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Solution

The fourth proportional to 35,462.80, 53,194.20 and 14,402.80 is: 21,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,462.80 : 53,194.20 = 14,402.80 : x
  2. Step 2: Convert to fraction form
    35,462.80/53,194.20 = 14,402.80/x
  3. Step 3: Cross multiply
    35,462.80x = 53,194.20 × 14,402.80
  4. Step 4: Simplify right side
    35,462.80x = 766,145,423.76
  5. Step 5: Solve for x
    x = 766,145,423.76/35,462.80
  6. Step 6: Final answer
    x = 21,604.20

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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.