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Finding the Fourth Proportional to 35,699.68, 49,265.68 and 21,552.64

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Solution

The fourth proportional to 35,699.68, 49,265.68 and 21,552.64 is: 29,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,699.68 : 49,265.68 = 21,552.64 : x
  2. Step 2: Convert to fraction form
    35,699.68/49,265.68 = 21,552.64/x
  3. Step 3: Cross multiply
    35,699.68x = 49,265.68 × 21,552.64
  4. Step 4: Simplify right side
    35,699.68x = 1,061,805,465.40
  5. Step 5: Solve for x
    x = 1,061,805,465.40/35,699.68
  6. Step 6: Final answer
    x = 29,742.72

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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.