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Finding the Fourth Proportional to 27,070.08, 40,611.52 and 8,602.08

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Solution

The fourth proportional to 27,070.08, 40,611.52 and 8,602.08 is: 12,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,070.08 : 40,611.52 = 8,602.08 : x
  2. Step 2: Convert to fraction form
    27,070.08/40,611.52 = 8,602.08/x
  3. Step 3: Cross multiply
    27,070.08x = 40,611.52 × 8,602.08
  4. Step 4: Simplify right side
    27,070.08x = 349,343,543.96
  5. Step 5: Solve for x
    x = 349,343,543.96/27,070.08
  6. Step 6: Final answer
    x = 12,905.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.