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Finding the Fourth Proportional to 59,955.60, 89,924.88 and 20,506.98

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Solution

The fourth proportional to 59,955.60, 89,924.88 and 20,506.98 is: 30,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,955.60 : 89,924.88 = 20,506.98 : x
  2. Step 2: Convert to fraction form
    59,955.60/89,924.88 = 20,506.98/x
  3. Step 3: Cross multiply
    59,955.60x = 89,924.88 × 20,506.98
  4. Step 4: Simplify right side
    59,955.60x = 1,844,087,715.66
  5. Step 5: Solve for x
    x = 1,844,087,715.66/59,955.60
  6. Step 6: Final answer
    x = 30,757.56

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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.