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Finding the Fourth Proportional to 30,246.48, 45,364.59 and 8,062.20

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Solution

The fourth proportional to 30,246.48, 45,364.59 and 8,062.20 is: 12,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.48 : 45,364.59 = 8,062.20 : x
  2. Step 2: Convert to fraction form
    30,246.48/45,364.59 = 8,062.20/x
  3. Step 3: Cross multiply
    30,246.48x = 45,364.59 × 8,062.20
  4. Step 4: Simplify right side
    30,246.48x = 365,738,397.50
  5. Step 5: Solve for x
    x = 365,738,397.50/30,246.48
  6. Step 6: Final answer
    x = 12,091.93

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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.