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Finding the Fourth Proportional to 60,558.50, 90,840.99 and 19,008.74

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Solution

The fourth proportional to 60,558.50, 90,840.99 and 19,008.74 is: 28,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,558.50 : 90,840.99 = 19,008.74 : x
  2. Step 2: Convert to fraction form
    60,558.50/90,840.99 = 19,008.74/x
  3. Step 3: Cross multiply
    60,558.50x = 90,840.99 × 19,008.74
  4. Step 4: Simplify right side
    60,558.50x = 1,726,772,760.25
  5. Step 5: Solve for x
    x = 1,726,772,760.25/60,558.50
  6. Step 6: Final answer
    x = 28,514.13

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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.