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Finding the Fourth Proportional to 58,609.10, 80,878.88 and 34,409.66

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Solution

The fourth proportional to 58,609.10, 80,878.88 and 34,409.66 is: 47,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,609.10 : 80,878.88 = 34,409.66 : x
  2. Step 2: Convert to fraction form
    58,609.10/80,878.88 = 34,409.66/x
  3. Step 3: Cross multiply
    58,609.10x = 80,878.88 × 34,409.66
  4. Step 4: Simplify right side
    58,609.10x = 2,783,014,761.98
  5. Step 5: Solve for x
    x = 2,783,014,761.98/58,609.10
  6. Step 6: Final answer
    x = 47,484.35

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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.