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Finding the Fourth Proportional to 35,661.79, 49,214.80 and 19,746.23

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Solution

The fourth proportional to 35,661.79, 49,214.80 and 19,746.23 is: 27,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.79 : 49,214.80 = 19,746.23 : x
  2. Step 2: Convert to fraction form
    35,661.79/49,214.80 = 19,746.23/x
  3. Step 3: Cross multiply
    35,661.79x = 49,214.80 × 19,746.23
  4. Step 4: Simplify right side
    35,661.79x = 971,806,415.40
  5. Step 5: Solve for x
    x = 971,806,415.40/35,661.79
  6. Step 6: Final answer
    x = 27,250.63

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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.