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Finding the Fourth Proportional to 58,245.93, 87,346.76 and 18,797.13

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Solution

The fourth proportional to 58,245.93, 87,346.76 and 18,797.13 is: 28,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,245.93 : 87,346.76 = 18,797.13 : x
  2. Step 2: Convert to fraction form
    58,245.93/87,346.76 = 18,797.13/x
  3. Step 3: Cross multiply
    58,245.93x = 87,346.76 × 18,797.13
  4. Step 4: Simplify right side
    58,245.93x = 1,641,868,308.81
  5. Step 5: Solve for x
    x = 1,641,868,308.81/58,245.93
  6. Step 6: Final answer
    x = 28,188.55

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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.