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Finding the Fourth Proportional to 64,415.86, 96,612.63 and 17,031.46

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Solution

The fourth proportional to 64,415.86, 96,612.63 and 17,031.46 is: 25,544.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,415.86 : 96,612.63 = 17,031.46 : x
  2. Step 2: Convert to fraction form
    64,415.86/96,612.63 = 17,031.46/x
  3. Step 3: Cross multiply
    64,415.86x = 96,612.63 × 17,031.46
  4. Step 4: Simplify right side
    64,415.86x = 1,645,454,143.34
  5. Step 5: Solve for x
    x = 1,645,454,143.34/64,415.86
  6. Step 6: Final answer
    x = 25,544.24

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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.