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Finding the Fourth Proportional to 58,369.48, 80,583.06 and 38,555.08

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Solution

The fourth proportional to 58,369.48, 80,583.06 and 38,555.08 is: 53,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,369.48 : 80,583.06 = 38,555.08 : x
  2. Step 2: Convert to fraction form
    58,369.48/80,583.06 = 38,555.08/x
  3. Step 3: Cross multiply
    58,369.48x = 80,583.06 × 38,555.08
  4. Step 4: Simplify right side
    58,369.48x = 3,106,886,324.94
  5. Step 5: Solve for x
    x = 3,106,886,324.94/58,369.48
  6. Step 6: Final answer
    x = 53,227.93

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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.