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Finding the Fourth Proportional to 8,751.94, 12,077.47 and 4,773.05

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Solution

The fourth proportional to 8,751.94, 12,077.47 and 4,773.05 is: 6,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.94 : 12,077.47 = 4,773.05 : x
  2. Step 2: Convert to fraction form
    8,751.94/12,077.47 = 4,773.05/x
  3. Step 3: Cross multiply
    8,751.94x = 12,077.47 × 4,773.05
  4. Step 4: Simplify right side
    8,751.94x = 57,646,368.18
  5. Step 5: Solve for x
    x = 57,646,368.18/8,751.94
  6. Step 6: Final answer
    x = 6,586.70

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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.