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Finding the Fourth Proportional to 34,886.80, 48,124.80 and 22,116.64

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Solution

The fourth proportional to 34,886.80, 48,124.80 and 22,116.64 is: 30,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.80 : 48,124.80 = 22,116.64 : x
  2. Step 2: Convert to fraction form
    34,886.80/48,124.80 = 22,116.64/x
  3. Step 3: Cross multiply
    34,886.80x = 48,124.80 × 22,116.64
  4. Step 4: Simplify right side
    34,886.80x = 1,064,358,876.67
  5. Step 5: Solve for x
    x = 1,064,358,876.67/34,886.80
  6. Step 6: Final answer
    x = 30,508.93

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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.