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Finding the Fourth Proportional to 35,798.12, 49,400.04 and 19,883.58

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Solution

The fourth proportional to 35,798.12, 49,400.04 and 19,883.58 is: 27,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,798.12 : 49,400.04 = 19,883.58 : x
  2. Step 2: Convert to fraction form
    35,798.12/49,400.04 = 19,883.58/x
  3. Step 3: Cross multiply
    35,798.12x = 49,400.04 × 19,883.58
  4. Step 4: Simplify right side
    35,798.12x = 982,249,647.34
  5. Step 5: Solve for x
    x = 982,249,647.34/35,798.12
  6. Step 6: Final answer
    x = 27,438.58

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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.