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Finding the Fourth Proportional to 64,204.71, 96,306.80 and 17,457.45

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Solution

The fourth proportional to 64,204.71, 96,306.80 and 17,457.45 is: 26,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,204.71 : 96,306.80 = 17,457.45 : x
  2. Step 2: Convert to fraction form
    64,204.71/96,306.80 = 17,457.45/x
  3. Step 3: Cross multiply
    64,204.71x = 96,306.80 × 17,457.45
  4. Step 4: Simplify right side
    64,204.71x = 1,681,271,058.37
  5. Step 5: Solve for x
    x = 1,681,271,058.37/64,204.71
  6. Step 6: Final answer
    x = 26,186.10

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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.