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Finding the Fourth Proportional to 39,656.79, 59,492.07 and 13,361.76

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Solution

The fourth proportional to 39,656.79, 59,492.07 and 13,361.76 is: 20,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.79 : 59,492.07 = 13,361.76 : x
  2. Step 2: Convert to fraction form
    39,656.79/59,492.07 = 13,361.76/x
  3. Step 3: Cross multiply
    39,656.79x = 59,492.07 × 13,361.76
  4. Step 4: Simplify right side
    39,656.79x = 794,918,761.24
  5. Step 5: Solve for x
    x = 794,918,761.24/39,656.79
  6. Step 6: Final answer
    x = 20,044.96

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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.