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Finding the Fourth Proportional to 70,933.99, 97,889.59 and 39,104.03

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Solution

The fourth proportional to 70,933.99, 97,889.59 and 39,104.03 is: 53,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933.99 : 97,889.59 = 39,104.03 : x
  2. Step 2: Convert to fraction form
    70,933.99/97,889.59 = 39,104.03/x
  3. Step 3: Cross multiply
    70,933.99x = 97,889.59 × 39,104.03
  4. Step 4: Simplify right side
    70,933.99x = 3,827,876,779.08
  5. Step 5: Solve for x
    x = 3,827,876,779.08/70,933.99
  6. Step 6: Final answer
    x = 53,963.93

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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.