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Finding the Fourth Proportional to 60,576, 83,600 and 34,085.12

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Solution

The fourth proportional to 60,576, 83,600 and 34,085.12 is: 47,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,576 : 83,600 = 34,085.12 : x
  2. Step 2: Convert to fraction form
    60,576/83,600 = 34,085.12/x
  3. Step 3: Cross multiply
    60,576x = 83,600 × 34,085.12
  4. Step 4: Simplify right side
    60,576x = 2,849,516,032
  5. Step 5: Solve for x
    x = 2,849,516,032/60,576
  6. Step 6: Final answer
    x = 47,040.35

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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.