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Finding the Fourth Proportional to 9,887.77, 14,823.28 and 4,336.92

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Solution

The fourth proportional to 9,887.77, 14,823.28 and 4,336.92 is: 6,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.77 : 14,823.28 = 4,336.92 : x
  2. Step 2: Convert to fraction form
    9,887.77/14,823.28 = 4,336.92/x
  3. Step 3: Cross multiply
    9,887.77x = 14,823.28 × 4,336.92
  4. Step 4: Simplify right side
    9,887.77x = 64,287,379.50
  5. Step 5: Solve for x
    x = 64,287,379.50/9,887.77
  6. Step 6: Final answer
    x = 6,501.71

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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.