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Finding the Fourth Proportional to 35,819.04, 49,431.04 and 19,903.20

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Solution

The fourth proportional to 35,819.04, 49,431.04 and 19,903.20 is: 27,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.04 : 49,431.04 = 19,903.20 : x
  2. Step 2: Convert to fraction form
    35,819.04/49,431.04 = 19,903.20/x
  3. Step 3: Cross multiply
    35,819.04x = 49,431.04 × 19,903.20
  4. Step 4: Simplify right side
    35,819.04x = 983,835,875.33
  5. Step 5: Solve for x
    x = 983,835,875.33/35,819.04
  6. Step 6: Final answer
    x = 27,466.84

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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.