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Finding the Fourth Proportional to 30,050.96, 45,073.00 and 7,866.48

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Solution

The fourth proportional to 30,050.96, 45,073.00 and 7,866.48 is: 11,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.96 : 45,073.00 = 7,866.48 : x
  2. Step 2: Convert to fraction form
    30,050.96/45,073.00 = 7,866.48/x
  3. Step 3: Cross multiply
    30,050.96x = 45,073.00 × 7,866.48
  4. Step 4: Simplify right side
    30,050.96x = 354,565,813.71
  5. Step 5: Solve for x
    x = 354,565,813.71/30,050.96
  6. Step 6: Final answer
    x = 11,798.82

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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.