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Finding the Fourth Proportional to 6,580.86, 9,071.33 and 4,899.59

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Solution

The fourth proportional to 6,580.86, 9,071.33 and 4,899.59 is: 6,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.86 : 9,071.33 = 4,899.59 : x
  2. Step 2: Convert to fraction form
    6,580.86/9,071.33 = 4,899.59/x
  3. Step 3: Cross multiply
    6,580.86x = 9,071.33 × 4,899.59
  4. Step 4: Simplify right side
    6,580.86x = 44,445,789.48
  5. Step 5: Solve for x
    x = 44,445,789.48/6,580.86
  6. Step 6: Final answer
    x = 6,753.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.