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Finding the Fourth Proportional to 1,624.86, 2,437.62 and 529.23

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Solution

The fourth proportional to 1,624.86, 2,437.62 and 529.23 is: 793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.86 : 2,437.62 = 529.23 : x
  2. Step 2: Convert to fraction form
    1,624.86/2,437.62 = 529.23/x
  3. Step 3: Cross multiply
    1,624.86x = 2,437.62 × 529.23
  4. Step 4: Simplify right side
    1,624.86x = 1,290,061.63
  5. Step 5: Solve for x
    x = 1,290,061.63/1,624.86
  6. Step 6: Final answer
    x = 793.95

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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.