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Finding the Fourth Proportional to 4,661.07, 6,991.61 and 1,699.74

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Solution

The fourth proportional to 4,661.07, 6,991.61 and 1,699.74 is: 2,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.07 : 6,991.61 = 1,699.74 : x
  2. Step 2: Convert to fraction form
    4,661.07/6,991.61 = 1,699.74/x
  3. Step 3: Cross multiply
    4,661.07x = 6,991.61 × 1,699.74
  4. Step 4: Simplify right side
    4,661.07x = 11,883,875.72
  5. Step 5: Solve for x
    x = 11,883,875.72/4,661.07
  6. Step 6: Final answer
    x = 2,549.60

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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.