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Finding the Fourth Proportional to 60,590.28, 90,885.46 and 28,992.93

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Solution

The fourth proportional to 60,590.28, 90,885.46 and 28,992.93 is: 43,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,590.28 : 90,885.46 = 28,992.93 : x
  2. Step 2: Convert to fraction form
    60,590.28/90,885.46 = 28,992.93/x
  3. Step 3: Cross multiply
    60,590.28x = 90,885.46 × 28,992.93
  4. Step 4: Simplify right side
    60,590.28x = 2,635,035,779.80
  5. Step 5: Solve for x
    x = 2,635,035,779.80/60,590.28
  6. Step 6: Final answer
    x = 43,489.41

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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.