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Finding the Fourth Proportional to 63,211.32, 87,231.06 and 34,916.94

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Solution

The fourth proportional to 63,211.32, 87,231.06 and 34,916.94 is: 48,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,211.32 : 87,231.06 = 34,916.94 : x
  2. Step 2: Convert to fraction form
    63,211.32/87,231.06 = 34,916.94/x
  3. Step 3: Cross multiply
    63,211.32x = 87,231.06 × 34,916.94
  4. Step 4: Simplify right side
    63,211.32x = 3,045,841,688.16
  5. Step 5: Solve for x
    x = 3,045,841,688.16/63,211.32
  6. Step 6: Final answer
    x = 48,185.07

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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.