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Finding the Fourth Proportional to 14,750.30, 20,355.91 and 8,035.61

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Solution

The fourth proportional to 14,750.30, 20,355.91 and 8,035.61 is: 11,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.30 : 20,355.91 = 8,035.61 : x
  2. Step 2: Convert to fraction form
    14,750.30/20,355.91 = 8,035.61/x
  3. Step 3: Cross multiply
    14,750.30x = 20,355.91 × 8,035.61
  4. Step 4: Simplify right side
    14,750.30x = 163,572,032.09
  5. Step 5: Solve for x
    x = 163,572,032.09/14,750.30
  6. Step 6: Final answer
    x = 11,089.40

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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.