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Finding the Fourth Proportional to 35,368.48, 48,806.69 and 19,449.87

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Solution

The fourth proportional to 35,368.48, 48,806.69 and 19,449.87 is: 26,839.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,368.48 : 48,806.69 = 19,449.87 : x
  2. Step 2: Convert to fraction form
    35,368.48/48,806.69 = 19,449.87/x
  3. Step 3: Cross multiply
    35,368.48x = 48,806.69 × 19,449.87
  4. Step 4: Simplify right side
    35,368.48x = 949,283,775.63
  5. Step 5: Solve for x
    x = 949,283,775.63/35,368.48
  6. Step 6: Final answer
    x = 26,839.82

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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.