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Finding the Fourth Proportional to 7,062.70, 10,606.20 and 4,608.40

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Solution

The fourth proportional to 7,062.70, 10,606.20 and 4,608.40 is: 6,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.70 : 10,606.20 = 4,608.40 : x
  2. Step 2: Convert to fraction form
    7,062.70/10,606.20 = 4,608.40/x
  3. Step 3: Cross multiply
    7,062.70x = 10,606.20 × 4,608.40
  4. Step 4: Simplify right side
    7,062.70x = 48,877,612.08
  5. Step 5: Solve for x
    x = 48,877,612.08/7,062.70
  6. Step 6: Final answer
    x = 6,920.53

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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.