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Finding the Fourth Proportional to 69,848.94, 96,393.45 and 39,635.52

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Solution

The fourth proportional to 69,848.94, 96,393.45 and 39,635.52 is: 54,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,848.94 : 96,393.45 = 39,635.52 : x
  2. Step 2: Convert to fraction form
    69,848.94/96,393.45 = 39,635.52/x
  3. Step 3: Cross multiply
    69,848.94x = 96,393.45 × 39,635.52
  4. Step 4: Simplify right side
    69,848.94x = 3,820,604,515.34
  5. Step 5: Solve for x
    x = 3,820,604,515.34/69,848.94
  6. Step 6: Final answer
    x = 54,698.10

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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.