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Finding the Fourth Proportional to 60,016.76, 90,036.08 and 20,577.86

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Solution

The fourth proportional to 60,016.76, 90,036.08 and 20,577.86 is: 30,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,016.76 : 90,036.08 = 20,577.86 : x
  2. Step 2: Convert to fraction form
    60,016.76/90,036.08 = 20,577.86/x
  3. Step 3: Cross multiply
    60,016.76x = 90,036.08 × 20,577.86
  4. Step 4: Simplify right side
    60,016.76x = 1,852,749,849.19
  5. Step 5: Solve for x
    x = 1,852,749,849.19/60,016.76
  6. Step 6: Final answer
    x = 30,870.54

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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.