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Finding the Fourth Proportional to 60,300.89, 90,455.65 and 15,927.20

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Solution

The fourth proportional to 60,300.89, 90,455.65 and 15,927.20 is: 23,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,300.89 : 90,455.65 = 15,927.20 : x
  2. Step 2: Convert to fraction form
    60,300.89/90,455.65 = 15,927.20/x
  3. Step 3: Cross multiply
    60,300.89x = 90,455.65 × 15,927.20
  4. Step 4: Simplify right side
    60,300.89x = 1,440,704,696.77
  5. Step 5: Solve for x
    x = 1,440,704,696.77/60,300.89
  6. Step 6: Final answer
    x = 23,891.93

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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.