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Finding the Fourth Proportional to 35,386.35, 48,830.90 and 19,253.49

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Solution

The fourth proportional to 35,386.35, 48,830.90 and 19,253.49 is: 26,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,386.35 : 48,830.90 = 19,253.49 : x
  2. Step 2: Convert to fraction form
    35,386.35/48,830.90 = 19,253.49/x
  3. Step 3: Cross multiply
    35,386.35x = 48,830.90 × 19,253.49
  4. Step 4: Simplify right side
    35,386.35x = 940,165,148.57
  5. Step 5: Solve for x
    x = 940,165,148.57/35,386.35
  6. Step 6: Final answer
    x = 26,568.58

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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.