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Finding the Fourth Proportional to 7,602.57, 10,483.26 and 4,945.05

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Solution

The fourth proportional to 7,602.57, 10,483.26 and 4,945.05 is: 6,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.57 : 10,483.26 = 4,945.05 : x
  2. Step 2: Convert to fraction form
    7,602.57/10,483.26 = 4,945.05/x
  3. Step 3: Cross multiply
    7,602.57x = 10,483.26 × 4,945.05
  4. Step 4: Simplify right side
    7,602.57x = 51,840,244.86
  5. Step 5: Solve for x
    x = 51,840,244.86/7,602.57
  6. Step 6: Final answer
    x = 6,818.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.