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Finding the Fourth Proportional to 58,613.04, 87,939 and 38,968.92

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Solution

The fourth proportional to 58,613.04, 87,939 and 38,968.92 is: 58,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,613.04 : 87,939 = 38,968.92 : x
  2. Step 2: Convert to fraction form
    58,613.04/87,939 = 38,968.92/x
  3. Step 3: Cross multiply
    58,613.04x = 87,939 × 38,968.92
  4. Step 4: Simplify right side
    58,613.04x = 3,426,887,855.88
  5. Step 5: Solve for x
    x = 3,426,887,855.88/58,613.04
  6. Step 6: Final answer
    x = 58,466.30

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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.