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Finding the Fourth Proportional to 4,657.86, 6,989.93 and 1,736.16

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Solution

The fourth proportional to 4,657.86, 6,989.93 and 1,736.16 is: 2,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.86 : 6,989.93 = 1,736.16 : x
  2. Step 2: Convert to fraction form
    4,657.86/6,989.93 = 1,736.16/x
  3. Step 3: Cross multiply
    4,657.86x = 6,989.93 × 1,736.16
  4. Step 4: Simplify right side
    4,657.86x = 12,135,628.19
  5. Step 5: Solve for x
    x = 12,135,628.19/4,657.86
  6. Step 6: Final answer
    x = 2,605.41

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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.