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Finding the Fourth Proportional to 69,574.86, 96,006.96 and 39,362.94

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Solution

The fourth proportional to 69,574.86, 96,006.96 and 39,362.94 is: 54,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,574.86 : 96,006.96 = 39,362.94 : x
  2. Step 2: Convert to fraction form
    69,574.86/96,006.96 = 39,362.94/x
  3. Step 3: Cross multiply
    69,574.86x = 96,006.96 × 39,362.94
  4. Step 4: Simplify right side
    69,574.86x = 3,779,116,206.06
  5. Step 5: Solve for x
    x = 3,779,116,206.06/69,574.86
  6. Step 6: Final answer
    x = 54,317.27

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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.