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Finding the Fourth Proportional to 60,509.68, 90,578.74 and 54,807.28

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Solution

The fourth proportional to 60,509.68, 90,578.74 and 54,807.28 is: 82,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,509.68 : 90,578.74 = 54,807.28 : x
  2. Step 2: Convert to fraction form
    60,509.68/90,578.74 = 54,807.28/x
  3. Step 3: Cross multiply
    60,509.68x = 90,578.74 × 54,807.28
  4. Step 4: Simplify right side
    60,509.68x = 4,964,374,365.23
  5. Step 5: Solve for x
    x = 4,964,374,365.23/60,509.68
  6. Step 6: Final answer
    x = 82,042.65

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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.