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Finding the Fourth Proportional to 35,259, 48,657.60 and 19,126.32

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Solution

The fourth proportional to 35,259, 48,657.60 and 19,126.32 is: 26,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,259 : 48,657.60 = 19,126.32 : x
  2. Step 2: Convert to fraction form
    35,259/48,657.60 = 19,126.32/x
  3. Step 3: Cross multiply
    35,259x = 48,657.60 × 19,126.32
  4. Step 4: Simplify right side
    35,259x = 930,640,828.03
  5. Step 5: Solve for x
    x = 930,640,828.03/35,259
  6. Step 6: Final answer
    x = 26,394.42

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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.