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Finding the Fourth Proportional to 64,706.58, 97,060.41 and 20,332.35

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Solution

The fourth proportional to 64,706.58, 97,060.41 and 20,332.35 is: 30,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,706.58 : 97,060.41 = 20,332.35 : x
  2. Step 2: Convert to fraction form
    64,706.58/97,060.41 = 20,332.35/x
  3. Step 3: Cross multiply
    64,706.58x = 97,060.41 × 20,332.35
  4. Step 4: Simplify right side
    64,706.58x = 1,973,466,227.26
  5. Step 5: Solve for x
    x = 1,973,466,227.26/64,706.58
  6. Step 6: Final answer
    x = 30,498.69

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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.