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Finding the Fourth Proportional to 70,266.48, 105,441.28 and 25,924.40

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Solution

The fourth proportional to 70,266.48, 105,441.28 and 25,924.40 is: 38,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,266.48 : 105,441.28 = 25,924.40 : x
  2. Step 2: Convert to fraction form
    70,266.48/105,441.28 = 25,924.40/x
  3. Step 3: Cross multiply
    70,266.48x = 105,441.28 × 25,924.40
  4. Step 4: Simplify right side
    70,266.48x = 2,733,501,919.23
  5. Step 5: Solve for x
    x = 2,733,501,919.23/70,266.48
  6. Step 6: Final answer
    x = 38,901.93

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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.