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Finding the Fourth Proportional to 6,566.00, 9,840.80 and 2,613.20

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Solution

The fourth proportional to 6,566.00, 9,840.80 and 2,613.20 is: 3,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,566.00 : 9,840.80 = 2,613.20 : x
  2. Step 2: Convert to fraction form
    6,566.00/9,840.80 = 2,613.20/x
  3. Step 3: Cross multiply
    6,566.00x = 9,840.80 × 2,613.20
  4. Step 4: Simplify right side
    6,566.00x = 25,716,009.70
  5. Step 5: Solve for x
    x = 25,716,009.70/6,566.00
  6. Step 6: Final answer
    x = 3,916.54

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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.