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Finding the Fourth Proportional to 35,339.43, 48,767.43 and 19,421.70

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Solution

The fourth proportional to 35,339.43, 48,767.43 and 19,421.70 is: 26,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339.43 : 48,767.43 = 19,421.70 : x
  2. Step 2: Convert to fraction form
    35,339.43/48,767.43 = 19,421.70/x
  3. Step 3: Cross multiply
    35,339.43x = 48,767.43 × 19,421.70
  4. Step 4: Simplify right side
    35,339.43x = 947,146,395.23
  5. Step 5: Solve for x
    x = 947,146,395.23/35,339.43
  6. Step 6: Final answer
    x = 26,801.41

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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.