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Finding the Fourth Proportional to 5,897.80, 8,853.90 and 5,854.60

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Solution

The fourth proportional to 5,897.80, 8,853.90 and 5,854.60 is: 8,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.80 : 8,853.90 = 5,854.60 : x
  2. Step 2: Convert to fraction form
    5,897.80/8,853.90 = 5,854.60/x
  3. Step 3: Cross multiply
    5,897.80x = 8,853.90 × 5,854.60
  4. Step 4: Simplify right side
    5,897.80x = 51,836,042.94
  5. Step 5: Solve for x
    x = 51,836,042.94/5,897.80
  6. Step 6: Final answer
    x = 8,789.05

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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.