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Finding the Fourth Proportional to 60,420.52, 90,671.10 and 23,015.08

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Solution

The fourth proportional to 60,420.52, 90,671.10 and 23,015.08 is: 34,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,420.52 : 90,671.10 = 23,015.08 : x
  2. Step 2: Convert to fraction form
    60,420.52/90,671.10 = 23,015.08/x
  3. Step 3: Cross multiply
    60,420.52x = 90,671.10 × 23,015.08
  4. Step 4: Simplify right side
    60,420.52x = 2,086,802,620.19
  5. Step 5: Solve for x
    x = 2,086,802,620.19/60,420.52
  6. Step 6: Final answer
    x = 34,537.98

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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.