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Finding the Fourth Proportional to 58,518.58, 80,795.22 and 38,409.64

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Solution

The fourth proportional to 58,518.58, 80,795.22 and 38,409.64 is: 53,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,518.58 : 80,795.22 = 38,409.64 : x
  2. Step 2: Convert to fraction form
    58,518.58/80,795.22 = 38,409.64/x
  3. Step 3: Cross multiply
    58,518.58x = 80,795.22 × 38,409.64
  4. Step 4: Simplify right side
    58,518.58x = 3,103,315,638.42
  5. Step 5: Solve for x
    x = 3,103,315,638.42/58,518.58
  6. Step 6: Final answer
    x = 53,031.29

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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.