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Finding the Fourth Proportional to 60,011.40, 82,839.06 and 53,712.84

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Solution

The fourth proportional to 60,011.40, 82,839.06 and 53,712.84 is: 74,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.40 : 82,839.06 = 53,712.84 : x
  2. Step 2: Convert to fraction form
    60,011.40/82,839.06 = 53,712.84/x
  3. Step 3: Cross multiply
    60,011.40x = 82,839.06 × 53,712.84
  4. Step 4: Simplify right side
    60,011.40x = 4,449,521,175.53
  5. Step 5: Solve for x
    x = 4,449,521,175.53/60,011.40
  6. Step 6: Final answer
    x = 74,144.60

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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.