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Finding the Fourth Proportional to 70,740.99, 97,621.11 and 38,476.23

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Solution

The fourth proportional to 70,740.99, 97,621.11 and 38,476.23 is: 53,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,740.99 : 97,621.11 = 38,476.23 : x
  2. Step 2: Convert to fraction form
    70,740.99/97,621.11 = 38,476.23/x
  3. Step 3: Cross multiply
    70,740.99x = 97,621.11 × 38,476.23
  4. Step 4: Simplify right side
    70,740.99x = 3,756,092,281.22
  5. Step 5: Solve for x
    x = 3,756,092,281.22/70,740.99
  6. Step 6: Final answer
    x = 53,096.41

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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.