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Finding the Fourth Proportional to 70,297.07, 97,009.97 and 38,465.99

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Solution

The fourth proportional to 70,297.07, 97,009.97 and 38,465.99 is: 53,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,297.07 : 97,009.97 = 38,465.99 : x
  2. Step 2: Convert to fraction form
    70,297.07/97,009.97 = 38,465.99/x
  3. Step 3: Cross multiply
    70,297.07x = 97,009.97 × 38,465.99
  4. Step 4: Simplify right side
    70,297.07x = 3,731,583,858.54
  5. Step 5: Solve for x
    x = 3,731,583,858.54/70,297.07
  6. Step 6: Final answer
    x = 53,083.06

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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.