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Finding the Fourth Proportional to 39,659.40, 59,486.01 and 14,687.70

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Solution

The fourth proportional to 39,659.40, 59,486.01 and 14,687.70 is: 22,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,659.40 : 59,486.01 = 14,687.70 : x
  2. Step 2: Convert to fraction form
    39,659.40/59,486.01 = 14,687.70/x
  3. Step 3: Cross multiply
    39,659.40x = 59,486.01 × 14,687.70
  4. Step 4: Simplify right side
    39,659.40x = 873,712,669.08
  5. Step 5: Solve for x
    x = 873,712,669.08/39,659.40
  6. Step 6: Final answer
    x = 22,030.41

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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.