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Finding the Fourth Proportional to 35,966, 53,959.68 and 18,448.16

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Solution

The fourth proportional to 35,966, 53,959.68 and 18,448.16 is: 27,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,966 : 53,959.68 = 18,448.16 : x
  2. Step 2: Convert to fraction form
    35,966/53,959.68 = 18,448.16/x
  3. Step 3: Cross multiply
    35,966x = 53,959.68 × 18,448.16
  4. Step 4: Simplify right side
    35,966x = 995,456,810.19
  5. Step 5: Solve for x
    x = 995,456,810.19/35,966
  6. Step 6: Final answer
    x = 27,677.72

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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.