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Finding the Fourth Proportional to 6,283.17, 8,666.80 and 4,047.98

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Solution

The fourth proportional to 6,283.17, 8,666.80 and 4,047.98 is: 5,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.17 : 8,666.80 = 4,047.98 : x
  2. Step 2: Convert to fraction form
    6,283.17/8,666.80 = 4,047.98/x
  3. Step 3: Cross multiply
    6,283.17x = 8,666.80 × 4,047.98
  4. Step 4: Simplify right side
    6,283.17x = 35,082,979.61
  5. Step 5: Solve for x
    x = 35,082,979.61/6,283.17
  6. Step 6: Final answer
    x = 5,583.64

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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.