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Finding the Fourth Proportional to 60,060.36, 82,890.90 and 34,905

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Solution

The fourth proportional to 60,060.36, 82,890.90 and 34,905 is: 48,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,060.36 : 82,890.90 = 34,905 : x
  2. Step 2: Convert to fraction form
    60,060.36/82,890.90 = 34,905/x
  3. Step 3: Cross multiply
    60,060.36x = 82,890.90 × 34,905
  4. Step 4: Simplify right side
    60,060.36x = 2,893,306,864.50
  5. Step 5: Solve for x
    x = 2,893,306,864.50/60,060.36
  6. Step 6: Final answer
    x = 48,173.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.