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Finding the Fourth Proportional to 58,506.88, 80,706.68 and 35,856.85

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Solution

The fourth proportional to 58,506.88, 80,706.68 and 35,856.85 is: 49,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,506.88 : 80,706.68 = 35,856.85 : x
  2. Step 2: Convert to fraction form
    58,506.88/80,706.68 = 35,856.85/x
  3. Step 3: Cross multiply
    58,506.88x = 80,706.68 × 35,856.85
  4. Step 4: Simplify right side
    58,506.88x = 2,893,886,915.22
  5. Step 5: Solve for x
    x = 2,893,886,915.22/58,506.88
  6. Step 6: Final answer
    x = 49,462.34

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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.