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Finding the Fourth Proportional to 35,695.40, 53,491.90 and 26,261.80

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Solution

The fourth proportional to 35,695.40, 53,491.90 and 26,261.80 is: 39,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,695.40 : 53,491.90 = 26,261.80 : x
  2. Step 2: Convert to fraction form
    35,695.40/53,491.90 = 26,261.80/x
  3. Step 3: Cross multiply
    35,695.40x = 53,491.90 × 26,261.80
  4. Step 4: Simplify right side
    35,695.40x = 1,404,793,579.42
  5. Step 5: Solve for x
    x = 1,404,793,579.42/35,695.40
  6. Step 6: Final answer
    x = 39,355.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.