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Finding the Fourth Proportional to 14,707.87, 22,065.53 and 6,385.87

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Solution

The fourth proportional to 14,707.87, 22,065.53 and 6,385.87 is: 9,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.87 : 22,065.53 = 6,385.87 : x
  2. Step 2: Convert to fraction form
    14,707.87/22,065.53 = 6,385.87/x
  3. Step 3: Cross multiply
    14,707.87x = 22,065.53 × 6,385.87
  4. Step 4: Simplify right side
    14,707.87x = 140,907,606.06
  5. Step 5: Solve for x
    x = 140,907,606.06/14,707.87
  6. Step 6: Final answer
    x = 9,580.42

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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.