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Finding the Fourth Proportional to 70,400.39, 105,598.76 and 23,653.26

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Solution

The fourth proportional to 70,400.39, 105,598.76 and 23,653.26 is: 35,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,400.39 : 105,598.76 = 23,653.26 : x
  2. Step 2: Convert to fraction form
    70,400.39/105,598.76 = 23,653.26/x
  3. Step 3: Cross multiply
    70,400.39x = 105,598.76 × 23,653.26
  4. Step 4: Simplify right side
    70,400.39x = 2,497,754,807.69
  5. Step 5: Solve for x
    x = 2,497,754,807.69/70,400.39
  6. Step 6: Final answer
    x = 35,479.28

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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.