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Finding the Fourth Proportional to 58,823.86, 88,235.82 and 21,376.96

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Solution

The fourth proportional to 58,823.86, 88,235.82 and 21,376.96 is: 32,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,823.86 : 88,235.82 = 21,376.96 : x
  2. Step 2: Convert to fraction form
    58,823.86/88,235.82 = 21,376.96/x
  3. Step 3: Cross multiply
    58,823.86x = 88,235.82 × 21,376.96
  4. Step 4: Simplify right side
    58,823.86x = 1,886,213,594.71
  5. Step 5: Solve for x
    x = 1,886,213,594.71/58,823.86
  6. Step 6: Final answer
    x = 32,065.45

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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.