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Finding the Fourth Proportional to 6,508.16, 8,977.20 and 4,270.16

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Solution

The fourth proportional to 6,508.16, 8,977.20 and 4,270.16 is: 5,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508.16 : 8,977.20 = 4,270.16 : x
  2. Step 2: Convert to fraction form
    6,508.16/8,977.20 = 4,270.16/x
  3. Step 3: Cross multiply
    6,508.16x = 8,977.20 × 4,270.16
  4. Step 4: Simplify right side
    6,508.16x = 38,334,080.35
  5. Step 5: Solve for x
    x = 38,334,080.35/6,508.16
  6. Step 6: Final answer
    x = 5,890.16

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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.