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Finding the Fourth Proportional to 6,945.15, 9,557.00 and 6,282.75

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Solution

The fourth proportional to 6,945.15, 9,557.00 and 6,282.75 is: 8,645.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.15 : 9,557.00 = 6,282.75 : x
  2. Step 2: Convert to fraction form
    6,945.15/9,557.00 = 6,282.75/x
  3. Step 3: Cross multiply
    6,945.15x = 9,557.00 × 6,282.75
  4. Step 4: Simplify right side
    6,945.15x = 60,044,210.34
  5. Step 5: Solve for x
    x = 60,044,210.34/6,945.15
  6. Step 6: Final answer
    x = 8,645.49

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Half scale
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Double scale
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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.