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Finding the Fourth Proportional to 74,598.96, 102,959.07 and 47,740.17

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Solution

The fourth proportional to 74,598.96, 102,959.07 and 47,740.17 is: 65,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,598.96 : 102,959.07 = 47,740.17 : x
  2. Step 2: Convert to fraction form
    74,598.96/102,959.07 = 47,740.17/x
  3. Step 3: Cross multiply
    74,598.96x = 102,959.07 × 47,740.17
  4. Step 4: Simplify right side
    74,598.96x = 4,915,283,504.84
  5. Step 5: Solve for x
    x = 4,915,283,504.84/74,598.96
  6. Step 6: Final answer
    x = 65,889.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.