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Finding the Fourth Proportional to 35,703.46, 49,272.43 and 19,788.25

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Solution

The fourth proportional to 35,703.46, 49,272.43 and 19,788.25 is: 27,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.46 : 49,272.43 = 19,788.25 : x
  2. Step 2: Convert to fraction form
    35,703.46/49,272.43 = 19,788.25/x
  3. Step 3: Cross multiply
    35,703.46x = 49,272.43 × 19,788.25
  4. Step 4: Simplify right side
    35,703.46x = 975,015,064.13
  5. Step 5: Solve for x
    x = 975,015,064.13/35,703.46
  6. Step 6: Final answer
    x = 27,308.70

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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.