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Finding the Fourth Proportional to 75,508.99, 104,048.74 and 58,409.35

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Solution

The fourth proportional to 75,508.99, 104,048.74 and 58,409.35 is: 80,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,508.99 : 104,048.74 = 58,409.35 : x
  2. Step 2: Convert to fraction form
    75,508.99/104,048.74 = 58,409.35/x
  3. Step 3: Cross multiply
    75,508.99x = 104,048.74 × 58,409.35
  4. Step 4: Simplify right side
    75,508.99x = 6,077,419,271.72
  5. Step 5: Solve for x
    x = 6,077,419,271.72/75,508.99
  6. Step 6: Final answer
    x = 80,486.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.