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Finding the Fourth Proportional to 35,425, 48,885.58 and 19,509.28

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Solution

The fourth proportional to 35,425, 48,885.58 and 19,509.28 is: 26,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,425 : 48,885.58 = 19,509.28 : x
  2. Step 2: Convert to fraction form
    35,425/48,885.58 = 19,509.28/x
  3. Step 3: Cross multiply
    35,425x = 48,885.58 × 19,509.28
  4. Step 4: Simplify right side
    35,425x = 953,722,468.18
  5. Step 5: Solve for x
    x = 953,722,468.18/35,425
  6. Step 6: Final answer
    x = 26,922.30

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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.