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Finding the Fourth Proportional to 60,000.02, 90,000.48 and 20,557.46

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Solution

The fourth proportional to 60,000.02, 90,000.48 and 20,557.46 is: 30,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,000.02 : 90,000.48 = 20,557.46 : x
  2. Step 2: Convert to fraction form
    60,000.02/90,000.48 = 20,557.46/x
  3. Step 3: Cross multiply
    60,000.02x = 90,000.48 × 20,557.46
  4. Step 4: Simplify right side
    60,000.02x = 1,850,181,267.58
  5. Step 5: Solve for x
    x = 1,850,181,267.58/60,000.02
  6. Step 6: Final answer
    x = 30,836.34

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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.