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Finding the Fourth Proportional to 4,607.40, 6,908.94 and 1,684.92

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Solution

The fourth proportional to 4,607.40, 6,908.94 and 1,684.92 is: 2,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.40 : 6,908.94 = 1,684.92 : x
  2. Step 2: Convert to fraction form
    4,607.40/6,908.94 = 1,684.92/x
  3. Step 3: Cross multiply
    4,607.40x = 6,908.94 × 1,684.92
  4. Step 4: Simplify right side
    4,607.40x = 11,641,011.18
  5. Step 5: Solve for x
    x = 11,641,011.18/4,607.40
  6. Step 6: Final answer
    x = 2,526.59

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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.