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Finding the Fourth Proportional to 58,618.57, 87,927.62 and 14,245.45

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Solution

The fourth proportional to 58,618.57, 87,927.62 and 14,245.45 is: 21,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,618.57 : 87,927.62 = 14,245.45 : x
  2. Step 2: Convert to fraction form
    58,618.57/87,927.62 = 14,245.45/x
  3. Step 3: Cross multiply
    58,618.57x = 87,927.62 × 14,245.45
  4. Step 4: Simplify right side
    58,618.57x = 1,252,568,514.33
  5. Step 5: Solve for x
    x = 1,252,568,514.33/58,618.57
  6. Step 6: Final answer
    x = 21,368.12

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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.