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Finding the Fourth Proportional to 70,356.99, 97,091.70 and 38,525.91

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Solution

The fourth proportional to 70,356.99, 97,091.70 and 38,525.91 is: 53,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,356.99 : 97,091.70 = 38,525.91 : x
  2. Step 2: Convert to fraction form
    70,356.99/97,091.70 = 38,525.91/x
  3. Step 3: Cross multiply
    70,356.99x = 97,091.70 × 38,525.91
  4. Step 4: Simplify right side
    70,356.99x = 3,740,546,095.95
  5. Step 5: Solve for x
    x = 3,740,546,095.95/70,356.99
  6. Step 6: Final answer
    x = 53,165.24

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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.