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Finding the Fourth Proportional to 60,519.86, 90,784.62 and 18,403.71

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Solution

The fourth proportional to 60,519.86, 90,784.62 and 18,403.71 is: 27,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,519.86 : 90,784.62 = 18,403.71 : x
  2. Step 2: Convert to fraction form
    60,519.86/90,784.62 = 18,403.71/x
  3. Step 3: Cross multiply
    60,519.86x = 90,784.62 × 18,403.71
  4. Step 4: Simplify right side
    60,519.86x = 1,670,773,818.94
  5. Step 5: Solve for x
    x = 1,670,773,818.94/60,519.86
  6. Step 6: Final answer
    x = 27,607.04

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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.