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Finding the Fourth Proportional to 43,653.87, 65,486.88 and 14,061.74

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Solution

The fourth proportional to 43,653.87, 65,486.88 and 14,061.74 is: 21,094.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,653.87 : 65,486.88 = 14,061.74 : x
  2. Step 2: Convert to fraction form
    43,653.87/65,486.88 = 14,061.74/x
  3. Step 3: Cross multiply
    43,653.87x = 65,486.88 × 14,061.74
  4. Step 4: Simplify right side
    43,653.87x = 920,859,152.54
  5. Step 5: Solve for x
    x = 920,859,152.54/43,653.87
  6. Step 6: Final answer
    x = 21,094.56

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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.