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Finding the Fourth Proportional to 64,415.78, 88,848.80 and 62,248.22

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Solution

The fourth proportional to 64,415.78, 88,848.80 and 62,248.22 is: 85,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,415.78 : 88,848.80 = 62,248.22 : x
  2. Step 2: Convert to fraction form
    64,415.78/88,848.80 = 62,248.22/x
  3. Step 3: Cross multiply
    64,415.78x = 88,848.80 × 62,248.22
  4. Step 4: Simplify right side
    64,415.78x = 5,530,679,649.14
  5. Step 5: Solve for x
    x = 5,530,679,649.14/64,415.78
  6. Step 6: Final answer
    x = 85,859.08

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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.