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Finding the Fourth Proportional to 64,308, 96,461.36 and 17,560.88

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Solution

The fourth proportional to 64,308, 96,461.36 and 17,560.88 is: 26,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,308 : 96,461.36 = 17,560.88 : x
  2. Step 2: Convert to fraction form
    64,308/96,461.36 = 17,560.88/x
  3. Step 3: Cross multiply
    64,308x = 96,461.36 × 17,560.88
  4. Step 4: Simplify right side
    64,308x = 1,693,946,367.60
  5. Step 5: Solve for x
    x = 1,693,946,367.60/64,308
  6. Step 6: Final answer
    x = 26,341.15

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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.