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Finding the Fourth Proportional to 70,859.04, 97,789.90 and 39,027.93

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Solution

The fourth proportional to 70,859.04, 97,789.90 and 39,027.93 is: 53,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,859.04 : 97,789.90 = 39,027.93 : x
  2. Step 2: Convert to fraction form
    70,859.04/97,789.90 = 39,027.93/x
  3. Step 3: Cross multiply
    70,859.04x = 97,789.90 × 39,027.93
  4. Step 4: Simplify right side
    70,859.04x = 3,816,537,371.91
  5. Step 5: Solve for x
    x = 3,816,537,371.91/70,859.04
  6. Step 6: Final answer
    x = 53,860.98

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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.