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Finding the Fourth Proportional to 5,980.61, 8,264.63 and 4,485.94

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Solution

The fourth proportional to 5,980.61, 8,264.63 and 4,485.94 is: 6,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.61 : 8,264.63 = 4,485.94 : x
  2. Step 2: Convert to fraction form
    5,980.61/8,264.63 = 4,485.94/x
  3. Step 3: Cross multiply
    5,980.61x = 8,264.63 × 4,485.94
  4. Step 4: Simplify right side
    5,980.61x = 37,074,634.30
  5. Step 5: Solve for x
    x = 37,074,634.30/5,980.61
  6. Step 6: Final answer
    x = 6,199.14

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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.