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Finding the Fourth Proportional to 60,518.61, 90,533.70 and 54,216.41

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Solution

The fourth proportional to 60,518.61, 90,533.70 and 54,216.41 is: 81,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,518.61 : 90,533.70 = 54,216.41 : x
  2. Step 2: Convert to fraction form
    60,518.61/90,533.70 = 54,216.41/x
  3. Step 3: Cross multiply
    60,518.61x = 90,533.70 × 54,216.41
  4. Step 4: Simplify right side
    60,518.61x = 4,908,411,745.35
  5. Step 5: Solve for x
    x = 4,908,411,745.35/60,518.61
  6. Step 6: Final answer
    x = 81,105.82

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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.