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Finding the Fourth Proportional to 35,411.68, 48,869.88 and 19,495.96

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Solution

The fourth proportional to 35,411.68, 48,869.88 and 19,495.96 is: 26,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,411.68 : 48,869.88 = 19,495.96 : x
  2. Step 2: Convert to fraction form
    35,411.68/48,869.88 = 19,495.96/x
  3. Step 3: Cross multiply
    35,411.68x = 48,869.88 × 19,495.96
  4. Step 4: Simplify right side
    35,411.68x = 952,765,225.68
  5. Step 5: Solve for x
    x = 952,765,225.68/35,411.68
  6. Step 6: Final answer
    x = 26,905.39

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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.