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Finding the Fourth Proportional to 35,070.81, 48,398.82 and 19,963.08

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Solution

The fourth proportional to 35,070.81, 48,398.82 and 19,963.08 is: 27,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,070.81 : 48,398.82 = 19,963.08 : x
  2. Step 2: Convert to fraction form
    35,070.81/48,398.82 = 19,963.08/x
  3. Step 3: Cross multiply
    35,070.81x = 48,398.82 × 19,963.08
  4. Step 4: Simplify right side
    35,070.81x = 966,189,515.57
  5. Step 5: Solve for x
    x = 966,189,515.57/35,070.81
  6. Step 6: Final answer
    x = 27,549.68

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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.