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Finding the Fourth Proportional to 6,665.66, 10,004.76 and 4,905.32

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Solution

The fourth proportional to 6,665.66, 10,004.76 and 4,905.32 is: 7,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.66 : 10,004.76 = 4,905.32 : x
  2. Step 2: Convert to fraction form
    6,665.66/10,004.76 = 4,905.32/x
  3. Step 3: Cross multiply
    6,665.66x = 10,004.76 × 4,905.32
  4. Step 4: Simplify right side
    6,665.66x = 49,076,549.32
  5. Step 5: Solve for x
    x = 49,076,549.32/6,665.66
  6. Step 6: Final answer
    x = 7,362.59

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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.