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Finding the Fourth Proportional to 60,012.20, 90,018.30 and 59,623.40

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Solution

The fourth proportional to 60,012.20, 90,018.30 and 59,623.40 is: 89,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.20 : 90,018.30 = 59,623.40 : x
  2. Step 2: Convert to fraction form
    60,012.20/90,018.30 = 59,623.40/x
  3. Step 3: Cross multiply
    60,012.20x = 90,018.30 × 59,623.40
  4. Step 4: Simplify right side
    60,012.20x = 5,367,197,108.22
  5. Step 5: Solve for x
    x = 5,367,197,108.22/60,012.20
  6. Step 6: Final answer
    x = 89,435.10

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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.