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Finding the Fourth Proportional to 64,112.50, 88,473.63 and 35,818.39

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Solution

The fourth proportional to 64,112.50, 88,473.63 and 35,818.39 is: 49,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,112.50 : 88,473.63 = 35,818.39 : x
  2. Step 2: Convert to fraction form
    64,112.50/88,473.63 = 35,818.39/x
  3. Step 3: Cross multiply
    64,112.50x = 88,473.63 × 35,818.39
  4. Step 4: Simplify right side
    64,112.50x = 3,168,982,984.06
  5. Step 5: Solve for x
    x = 3,168,982,984.06/64,112.50
  6. Step 6: Final answer
    x = 49,428.47

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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.