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Finding the Fourth Proportional to 12,602.01, 17,390.83 and 6,937.32

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Solution

The fourth proportional to 12,602.01, 17,390.83 and 6,937.32 is: 9,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.01 : 17,390.83 = 6,937.32 : x
  2. Step 2: Convert to fraction form
    12,602.01/17,390.83 = 6,937.32/x
  3. Step 3: Cross multiply
    12,602.01x = 17,390.83 × 6,937.32
  4. Step 4: Simplify right side
    12,602.01x = 120,645,813.60
  5. Step 5: Solve for x
    x = 120,645,813.60/12,602.01
  6. Step 6: Final answer
    x = 9,573.54

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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.