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Finding the Fourth Proportional to 70,444.70, 105,673.58 and 25,477.30

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Solution

The fourth proportional to 70,444.70, 105,673.58 and 25,477.30 is: 38,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,444.70 : 105,673.58 = 25,477.30 : x
  2. Step 2: Convert to fraction form
    70,444.70/105,673.58 = 25,477.30/x
  3. Step 3: Cross multiply
    70,444.70x = 105,673.58 × 25,477.30
  4. Step 4: Simplify right side
    70,444.70x = 2,692,277,499.73
  5. Step 5: Solve for x
    x = 2,692,277,499.73/70,444.70
  6. Step 6: Final answer
    x = 38,218.31

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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.