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Finding the Fourth Proportional to 64,706.54, 97,060.41 and 20,332.31

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Solution

The fourth proportional to 64,706.54, 97,060.41 and 20,332.31 is: 30,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,706.54 : 97,060.41 = 20,332.31 : x
  2. Step 2: Convert to fraction form
    64,706.54/97,060.41 = 20,332.31/x
  3. Step 3: Cross multiply
    64,706.54x = 97,060.41 × 20,332.31
  4. Step 4: Simplify right side
    64,706.54x = 1,973,461,859.55
  5. Step 5: Solve for x
    x = 1,973,461,859.55/64,706.54
  6. Step 6: Final answer
    x = 30,498.65

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1.5x scale

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.