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Finding the Fourth Proportional to 35,863.90, 53,789.64 and 10,897.90

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Solution

The fourth proportional to 35,863.90, 53,789.64 and 10,897.90 is: 16,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,863.90 : 53,789.64 = 10,897.90 : x
  2. Step 2: Convert to fraction form
    35,863.90/53,789.64 = 10,897.90/x
  3. Step 3: Cross multiply
    35,863.90x = 53,789.64 × 10,897.90
  4. Step 4: Simplify right side
    35,863.90x = 586,194,117.76
  5. Step 5: Solve for x
    x = 586,194,117.76/35,863.90
  6. Step 6: Final answer
    x = 16,344.96

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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.