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Finding the Fourth Proportional to 30,060.92, 45,078.93 and 11,337.77

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Solution

The fourth proportional to 30,060.92, 45,078.93 and 11,337.77 is: 17,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060.92 : 45,078.93 = 11,337.77 : x
  2. Step 2: Convert to fraction form
    30,060.92/45,078.93 = 11,337.77/x
  3. Step 3: Cross multiply
    30,060.92x = 45,078.93 × 11,337.77
  4. Step 4: Simplify right side
    30,060.92x = 511,094,652.88
  5. Step 5: Solve for x
    x = 511,094,652.88/30,060.92
  6. Step 6: Final answer
    x = 17,001.96

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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.