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Finding the Fourth Proportional to 6,000.60, 8,990.10 and 5,136.60

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Solution

The fourth proportional to 6,000.60, 8,990.10 and 5,136.60 is: 7,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,000.60 : 8,990.10 = 5,136.60 : x
  2. Step 2: Convert to fraction form
    6,000.60/8,990.10 = 5,136.60/x
  3. Step 3: Cross multiply
    6,000.60x = 8,990.10 × 5,136.60
  4. Step 4: Simplify right side
    6,000.60x = 46,178,547.66
  5. Step 5: Solve for x
    x = 46,178,547.66/6,000.60
  6. Step 6: Final answer
    x = 7,695.66

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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.