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Finding the Fourth Proportional to 70,553.78, 105,824.18 and 23,807.06

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Solution

The fourth proportional to 70,553.78, 105,824.18 and 23,807.06 is: 35,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.78 : 105,824.18 = 23,807.06 : x
  2. Step 2: Convert to fraction form
    70,553.78/105,824.18 = 23,807.06/x
  3. Step 3: Cross multiply
    70,553.78x = 105,824.18 × 23,807.06
  4. Step 4: Simplify right side
    70,553.78x = 2,519,362,602.71
  5. Step 5: Solve for x
    x = 2,519,362,602.71/70,553.78
  6. Step 6: Final answer
    x = 35,708.40

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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.