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Finding the Fourth Proportional to 64,407.78, 88,837.83 and 62,240.22

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Solution

The fourth proportional to 64,407.78, 88,837.83 and 62,240.22 is: 85,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,407.78 : 88,837.83 = 62,240.22 : x
  2. Step 2: Convert to fraction form
    64,407.78/88,837.83 = 62,240.22/x
  3. Step 3: Cross multiply
    64,407.78x = 88,837.83 × 62,240.22
  4. Step 4: Simplify right side
    64,407.78x = 5,529,286,083.52
  5. Step 5: Solve for x
    x = 5,529,286,083.52/64,407.78
  6. Step 6: Final answer
    x = 85,848.11

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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.