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Finding the Fourth Proportional to 8,557.07, 12,773.67 and 7,394.54

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Solution

The fourth proportional to 8,557.07, 12,773.67 and 7,394.54 is: 11,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.07 : 12,773.67 = 7,394.54 : x
  2. Step 2: Convert to fraction form
    8,557.07/12,773.67 = 7,394.54/x
  3. Step 3: Cross multiply
    8,557.07x = 12,773.67 × 7,394.54
  4. Step 4: Simplify right side
    8,557.07x = 94,455,349.89
  5. Step 5: Solve for x
    x = 94,455,349.89/8,557.07
  6. Step 6: Final answer
    x = 11,038.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.