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Finding the Fourth Proportional to 64,330.64, 96,498.68 and 17,583.40

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Solution

The fourth proportional to 64,330.64, 96,498.68 and 17,583.40 is: 26,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,330.64 : 96,498.68 = 17,583.40 : x
  2. Step 2: Convert to fraction form
    64,330.64/96,498.68 = 17,583.40/x
  3. Step 3: Cross multiply
    64,330.64x = 96,498.68 × 17,583.40
  4. Step 4: Simplify right side
    64,330.64x = 1,696,774,889.91
  5. Step 5: Solve for x
    x = 1,696,774,889.91/64,330.64
  6. Step 6: Final answer
    x = 26,375.84

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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.