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Finding the Fourth Proportional to 9,276.66, 12,795.37 and 5,737.77

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Solution

The fourth proportional to 9,276.66, 12,795.37 and 5,737.77 is: 7,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.66 : 12,795.37 = 5,737.77 : x
  2. Step 2: Convert to fraction form
    9,276.66/12,795.37 = 5,737.77/x
  3. Step 3: Cross multiply
    9,276.66x = 12,795.37 × 5,737.77
  4. Step 4: Simplify right side
    9,276.66x = 73,416,875.78
  5. Step 5: Solve for x
    x = 73,416,875.78/9,276.66
  6. Step 6: Final answer
    x = 7,914.15

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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.