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Finding the Fourth Proportional to 64,026.84, 96,056.48 and 19,655.84

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Solution

The fourth proportional to 64,026.84, 96,056.48 and 19,655.84 is: 29,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,026.84 : 96,056.48 = 19,655.84 : x
  2. Step 2: Convert to fraction form
    64,026.84/96,056.48 = 19,655.84/x
  3. Step 3: Cross multiply
    64,026.84x = 96,056.48 × 19,655.84
  4. Step 4: Simplify right side
    64,026.84x = 1,888,070,801.84
  5. Step 5: Solve for x
    x = 1,888,070,801.84/64,026.84
  6. Step 6: Final answer
    x = 29,488.74

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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.