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Finding the Fourth Proportional to 35,335.64, 48,764.22 and 19,420.22

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Solution

The fourth proportional to 35,335.64, 48,764.22 and 19,420.22 is: 26,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.64 : 48,764.22 = 19,420.22 : x
  2. Step 2: Convert to fraction form
    35,335.64/48,764.22 = 19,420.22/x
  3. Step 3: Cross multiply
    35,335.64x = 48,764.22 × 19,420.22
  4. Step 4: Simplify right side
    35,335.64x = 947,011,880.53
  5. Step 5: Solve for x
    x = 947,011,880.53/35,335.64
  6. Step 6: Final answer
    x = 26,800.47

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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.