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Finding the Fourth Proportional to 6,184.60, 9,276.90 and 1,802.20

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Solution

The fourth proportional to 6,184.60, 9,276.90 and 1,802.20 is: 2,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,184.60 : 9,276.90 = 1,802.20 : x
  2. Step 2: Convert to fraction form
    6,184.60/9,276.90 = 1,802.20/x
  3. Step 3: Cross multiply
    6,184.60x = 9,276.90 × 1,802.20
  4. Step 4: Simplify right side
    6,184.60x = 16,718,829.18
  5. Step 5: Solve for x
    x = 16,718,829.18/6,184.60
  6. Step 6: Final answer
    x = 2,703.30

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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.