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Finding the Fourth Proportional to 70,547.28, 105,814.44 and 23,800.56

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Solution

The fourth proportional to 70,547.28, 105,814.44 and 23,800.56 is: 35,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,547.28 : 105,814.44 = 23,800.56 : x
  2. Step 2: Convert to fraction form
    70,547.28/105,814.44 = 23,800.56/x
  3. Step 3: Cross multiply
    70,547.28x = 105,814.44 × 23,800.56
  4. Step 4: Simplify right side
    70,547.28x = 2,518,442,928.09
  5. Step 5: Solve for x
    x = 2,518,442,928.09/70,547.28
  6. Step 6: Final answer
    x = 35,698.65

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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.