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Finding the Fourth Proportional to 89,590.74, 134,365.74 and 26,415.13

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Solution

The fourth proportional to 89,590.74, 134,365.74 and 26,415.13 is: 39,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,590.74 : 134,365.74 = 26,415.13 : x
  2. Step 2: Convert to fraction form
    89,590.74/134,365.74 = 26,415.13/x
  3. Step 3: Cross multiply
    89,590.74x = 134,365.74 × 26,415.13
  4. Step 4: Simplify right side
    89,590.74x = 3,549,288,489.65
  5. Step 5: Solve for x
    x = 3,549,288,489.65/89,590.74
  6. Step 6: Final answer
    x = 39,616.69

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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.