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Finding the Fourth Proportional to 69,504.48, 104,178.96 and 30,002.40

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Solution

The fourth proportional to 69,504.48, 104,178.96 and 30,002.40 is: 44,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,504.48 : 104,178.96 = 30,002.40 : x
  2. Step 2: Convert to fraction form
    69,504.48/104,178.96 = 30,002.40/x
  3. Step 3: Cross multiply
    69,504.48x = 104,178.96 × 30,002.40
  4. Step 4: Simplify right side
    69,504.48x = 3,125,618,829.50
  5. Step 5: Solve for x
    x = 3,125,618,829.50/69,504.48
  6. Step 6: Final answer
    x = 44,970.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.