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Finding the Fourth Proportional to 35,429.40, 53,800.20 and 35,429.40

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Solution

The fourth proportional to 35,429.40, 53,800.20 and 35,429.40 is: 53,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,429.40 : 53,800.20 = 35,429.40 : x
  2. Step 2: Convert to fraction form
    35,429.40/53,800.20 = 35,429.40/x
  3. Step 3: Cross multiply
    35,429.40x = 53,800.20 × 35,429.40
  4. Step 4: Simplify right side
    35,429.40x = 1,906,108,805.88
  5. Step 5: Solve for x
    x = 1,906,108,805.88/35,429.40
  6. Step 6: Final answer
    x = 53,800.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.