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Finding the Fourth Proportional to 35,424.80, 48,886.14 and 19,509.28

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Solution

The fourth proportional to 35,424.80, 48,886.14 and 19,509.28 is: 26,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.80 : 48,886.14 = 19,509.28 : x
  2. Step 2: Convert to fraction form
    35,424.80/48,886.14 = 19,509.28/x
  3. Step 3: Cross multiply
    35,424.80x = 48,886.14 × 19,509.28
  4. Step 4: Simplify right side
    35,424.80x = 953,733,393.38
  5. Step 5: Solve for x
    x = 953,733,393.38/35,424.80
  6. Step 6: Final answer
    x = 26,922.76

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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.