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Finding the Fourth Proportional to 5,897.20, 8,845.80 and 4,946.80

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Solution

The fourth proportional to 5,897.20, 8,845.80 and 4,946.80 is: 7,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.20 : 8,845.80 = 4,946.80 : x
  2. Step 2: Convert to fraction form
    5,897.20/8,845.80 = 4,946.80/x
  3. Step 3: Cross multiply
    5,897.20x = 8,845.80 × 4,946.80
  4. Step 4: Simplify right side
    5,897.20x = 43,758,403.44
  5. Step 5: Solve for x
    x = 43,758,403.44/5,897.20
  6. Step 6: Final answer
    x = 7,420.20

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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.