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Finding the Fourth Proportional to 8,773.63, 13,162.89 and 4,880.77

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Solution

The fourth proportional to 8,773.63, 13,162.89 and 4,880.77 is: 7,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.63 : 13,162.89 = 4,880.77 : x
  2. Step 2: Convert to fraction form
    8,773.63/13,162.89 = 4,880.77/x
  3. Step 3: Cross multiply
    8,773.63x = 13,162.89 × 4,880.77
  4. Step 4: Simplify right side
    8,773.63x = 64,245,038.63
  5. Step 5: Solve for x
    x = 64,245,038.63/8,773.63
  6. Step 6: Final answer
    x = 7,322.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.