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Finding the Fourth Proportional to 4,602.56, 6,904.28 and 1,680.16

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Solution

The fourth proportional to 4,602.56, 6,904.28 and 1,680.16 is: 2,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,602.56 : 6,904.28 = 1,680.16 : x
  2. Step 2: Convert to fraction form
    4,602.56/6,904.28 = 1,680.16/x
  3. Step 3: Cross multiply
    4,602.56x = 6,904.28 × 1,680.16
  4. Step 4: Simplify right side
    4,602.56x = 11,600,295.08
  5. Step 5: Solve for x
    x = 11,600,295.08/4,602.56
  6. Step 6: Final answer
    x = 2,520.40

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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.