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Finding the Fourth Proportional to 10,602.66, 14,629.35 and 6,410.82

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Solution

The fourth proportional to 10,602.66, 14,629.35 and 6,410.82 is: 8,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.66 : 14,629.35 = 6,410.82 : x
  2. Step 2: Convert to fraction form
    10,602.66/14,629.35 = 6,410.82/x
  3. Step 3: Cross multiply
    10,602.66x = 14,629.35 × 6,410.82
  4. Step 4: Simplify right side
    10,602.66x = 93,786,129.57
  5. Step 5: Solve for x
    x = 93,786,129.57/10,602.66
  6. Step 6: Final answer
    x = 8,845.53

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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.