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Finding the Fourth Proportional to 58,589.79, 87,884.69 and 14,215.83

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Solution

The fourth proportional to 58,589.79, 87,884.69 and 14,215.83 is: 21,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,589.79 : 87,884.69 = 14,215.83 : x
  2. Step 2: Convert to fraction form
    58,589.79/87,884.69 = 14,215.83/x
  3. Step 3: Cross multiply
    58,589.79x = 87,884.69 × 14,215.83
  4. Step 4: Simplify right side
    58,589.79x = 1,249,353,741.56
  5. Step 5: Solve for x
    x = 1,249,353,741.56/58,589.79
  6. Step 6: Final answer
    x = 21,323.75

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1.5x scale

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.