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Finding the Fourth Proportional to 35,806.40, 49,411.76 and 19,673.68

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Solution

The fourth proportional to 35,806.40, 49,411.76 and 19,673.68 is: 27,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,806.40 : 49,411.76 = 19,673.68 : x
  2. Step 2: Convert to fraction form
    35,806.40/49,411.76 = 19,673.68/x
  3. Step 3: Cross multiply
    35,806.40x = 49,411.76 × 19,673.68
  4. Step 4: Simplify right side
    35,806.40x = 972,111,154.48
  5. Step 5: Solve for x
    x = 972,111,154.48/35,806.40
  6. Step 6: Final answer
    x = 27,149.09

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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.