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Finding the Fourth Proportional to 59,718.60, 89,577.90 and 42,222.60

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Solution

The fourth proportional to 59,718.60, 89,577.90 and 42,222.60 is: 63,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,718.60 : 89,577.90 = 42,222.60 : x
  2. Step 2: Convert to fraction form
    59,718.60/89,577.90 = 42,222.60/x
  3. Step 3: Cross multiply
    59,718.60x = 89,577.90 × 42,222.60
  4. Step 4: Simplify right side
    59,718.60x = 3,782,211,840.54
  5. Step 5: Solve for x
    x = 3,782,211,840.54/59,718.60
  6. Step 6: Final answer
    x = 63,333.90

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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.