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Finding the Fourth Proportional to 58,298.30, 80,449.90 and 32,806.08

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Solution

The fourth proportional to 58,298.30, 80,449.90 and 32,806.08 is: 45,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,298.30 : 80,449.90 = 32,806.08 : x
  2. Step 2: Convert to fraction form
    58,298.30/80,449.90 = 32,806.08/x
  3. Step 3: Cross multiply
    58,298.30x = 80,449.90 × 32,806.08
  4. Step 4: Simplify right side
    58,298.30x = 2,639,245,855.39
  5. Step 5: Solve for x
    x = 2,639,245,855.39/58,298.30
  6. Step 6: Final answer
    x = 45,271.40

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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.