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Finding the Fourth Proportional to 43,323.64, 64,985.13 and 17,677.87

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Solution

The fourth proportional to 43,323.64, 64,985.13 and 17,677.87 is: 26,516.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,323.64 : 64,985.13 = 17,677.87 : x
  2. Step 2: Convert to fraction form
    43,323.64/64,985.13 = 17,677.87/x
  3. Step 3: Cross multiply
    43,323.64x = 64,985.13 × 17,677.87
  4. Step 4: Simplify right side
    43,323.64x = 1,148,798,680.07
  5. Step 5: Solve for x
    x = 1,148,798,680.07/43,323.64
  6. Step 6: Final answer
    x = 26,516.67

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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.