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Finding the Fourth Proportional to 58,447.98, 80,658.99 and 34,574.04

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Solution

The fourth proportional to 58,447.98, 80,658.99 and 34,574.04 is: 47,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,447.98 : 80,658.99 = 34,574.04 : x
  2. Step 2: Convert to fraction form
    58,447.98/80,658.99 = 34,574.04/x
  3. Step 3: Cross multiply
    58,447.98x = 80,658.99 × 34,574.04
  4. Step 4: Simplify right side
    58,447.98x = 2,788,707,146.62
  5. Step 5: Solve for x
    x = 2,788,707,146.62/58,447.98
  6. Step 6: Final answer
    x = 47,712.64

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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.