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Finding the Fourth Proportional to 70,053.90, 105,073.08 and 25,073.45

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Solution

The fourth proportional to 70,053.90, 105,073.08 and 25,073.45 is: 37,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,053.90 : 105,073.08 = 25,073.45 : x
  2. Step 2: Convert to fraction form
    70,053.90/105,073.08 = 25,073.45/x
  3. Step 3: Cross multiply
    70,053.90x = 105,073.08 × 25,073.45
  4. Step 4: Simplify right side
    70,053.90x = 2,634,544,617.73
  5. Step 5: Solve for x
    x = 2,634,544,617.73/70,053.90
  6. Step 6: Final answer
    x = 37,607.39

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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.