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Finding the Fourth Proportional to 9,007.73, 12,430.87 and 5,650.68

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Solution

The fourth proportional to 9,007.73, 12,430.87 and 5,650.68 is: 7,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.73 : 12,430.87 = 5,650.68 : x
  2. Step 2: Convert to fraction form
    9,007.73/12,430.87 = 5,650.68/x
  3. Step 3: Cross multiply
    9,007.73x = 12,430.87 × 5,650.68
  4. Step 4: Simplify right side
    9,007.73x = 70,242,900.98
  5. Step 5: Solve for x
    x = 70,242,900.98/9,007.73
  6. Step 6: Final answer
    x = 7,798.07

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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.