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Finding the Fourth Proportional to 10,341.76, 15,512.74 and 2,946.22

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Solution

The fourth proportional to 10,341.76, 15,512.74 and 2,946.22 is: 4,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.76 : 15,512.74 = 2,946.22 : x
  2. Step 2: Convert to fraction form
    10,341.76/15,512.74 = 2,946.22/x
  3. Step 3: Cross multiply
    10,341.76x = 15,512.74 × 2,946.22
  4. Step 4: Simplify right side
    10,341.76x = 45,703,944.84
  5. Step 5: Solve for x
    x = 45,703,944.84/10,341.76
  6. Step 6: Final answer
    x = 4,419.36

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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.