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Finding the Fourth Proportional to 35,657.84, 53,539.32 and 19,893.66

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Solution

The fourth proportional to 35,657.84, 53,539.32 and 19,893.66 is: 29,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,657.84 : 53,539.32 = 19,893.66 : x
  2. Step 2: Convert to fraction form
    35,657.84/53,539.32 = 19,893.66/x
  3. Step 3: Cross multiply
    35,657.84x = 53,539.32 × 19,893.66
  4. Step 4: Simplify right side
    35,657.84x = 1,065,093,028.71
  5. Step 5: Solve for x
    x = 1,065,093,028.71/35,657.84
  6. Step 6: Final answer
    x = 29,869.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.