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Finding the Fourth Proportional to 7,955.96, 10,980.36 and 4,600.53

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Solution

The fourth proportional to 7,955.96, 10,980.36 and 4,600.53 is: 6,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.96 : 10,980.36 = 4,600.53 : x
  2. Step 2: Convert to fraction form
    7,955.96/10,980.36 = 4,600.53/x
  3. Step 3: Cross multiply
    7,955.96x = 10,980.36 × 4,600.53
  4. Step 4: Simplify right side
    7,955.96x = 50,515,475.59
  5. Step 5: Solve for x
    x = 50,515,475.59/7,955.96
  6. Step 6: Final answer
    x = 6,349.39

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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.