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Finding the Fourth Proportional to 58,476.96, 80,702.88 and 33,328.32

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Solution

The fourth proportional to 58,476.96, 80,702.88 and 33,328.32 is: 45,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,476.96 : 80,702.88 = 33,328.32 : x
  2. Step 2: Convert to fraction form
    58,476.96/80,702.88 = 33,328.32/x
  3. Step 3: Cross multiply
    58,476.96x = 80,702.88 × 33,328.32
  4. Step 4: Simplify right side
    58,476.96x = 2,689,691,409.56
  5. Step 5: Solve for x
    x = 2,689,691,409.56/58,476.96
  6. Step 6: Final answer
    x = 45,995.75

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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.