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Finding the Fourth Proportional to 58,478.99, 80,696.12 and 34,601.51

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Solution

The fourth proportional to 58,478.99, 80,696.12 and 34,601.51 is: 47,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,478.99 : 80,696.12 = 34,601.51 : x
  2. Step 2: Convert to fraction form
    58,478.99/80,696.12 = 34,601.51/x
  3. Step 3: Cross multiply
    58,478.99x = 80,696.12 × 34,601.51
  4. Step 4: Simplify right side
    58,478.99x = 2,792,207,026.65
  5. Step 5: Solve for x
    x = 2,792,207,026.65/58,478.99
  6. Step 6: Final answer
    x = 47,747.19

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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.