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Finding the Fourth Proportional to 5,980.30, 8,966.40 and 3,056.20

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Solution

The fourth proportional to 5,980.30, 8,966.40 and 3,056.20 is: 4,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.30 : 8,966.40 = 3,056.20 : x
  2. Step 2: Convert to fraction form
    5,980.30/8,966.40 = 3,056.20/x
  3. Step 3: Cross multiply
    5,980.30x = 8,966.40 × 3,056.20
  4. Step 4: Simplify right side
    5,980.30x = 27,403,111.68
  5. Step 5: Solve for x
    x = 27,403,111.68/5,980.30
  6. Step 6: Final answer
    x = 4,582.23

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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.