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Finding the Fourth Proportional to 58,967.72, 88,422.41 and 21,526.28

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Solution

The fourth proportional to 58,967.72, 88,422.41 and 21,526.28 is: 32,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,967.72 : 88,422.41 = 21,526.28 : x
  2. Step 2: Convert to fraction form
    58,967.72/88,422.41 = 21,526.28/x
  3. Step 3: Cross multiply
    58,967.72x = 88,422.41 × 21,526.28
  4. Step 4: Simplify right side
    58,967.72x = 1,903,405,006.19
  5. Step 5: Solve for x
    x = 1,903,405,006.19/58,967.72
  6. Step 6: Final answer
    x = 32,278.76

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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.