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Finding the Fourth Proportional to 60,360.58, 90,510.49 and 20,907.10

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Solution

The fourth proportional to 60,360.58, 90,510.49 and 20,907.10 is: 31,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,360.58 : 90,510.49 = 20,907.10 : x
  2. Step 2: Convert to fraction form
    60,360.58/90,510.49 = 20,907.10/x
  3. Step 3: Cross multiply
    60,360.58x = 90,510.49 × 20,907.10
  4. Step 4: Simplify right side
    60,360.58x = 1,892,311,865.48
  5. Step 5: Solve for x
    x = 1,892,311,865.48/60,360.58
  6. Step 6: Final answer
    x = 31,350.13

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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.