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Finding the Fourth Proportional to 60,564, 90,835.24 and 18,433.92

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Solution

The fourth proportional to 60,564, 90,835.24 and 18,433.92 is: 27,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,564 : 90,835.24 = 18,433.92 : x
  2. Step 2: Convert to fraction form
    60,564/90,835.24 = 18,433.92/x
  3. Step 3: Cross multiply
    60,564x = 90,835.24 × 18,433.92
  4. Step 4: Simplify right side
    60,564x = 1,674,449,547.34
  5. Step 5: Solve for x
    x = 1,674,449,547.34/60,564
  6. Step 6: Final answer
    x = 27,647.60

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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.