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Finding the Fourth Proportional to 70,329.72, 97,055.93 and 38,497.93

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Solution

The fourth proportional to 70,329.72, 97,055.93 and 38,497.93 is: 53,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,329.72 : 97,055.93 = 38,497.93 : x
  2. Step 2: Convert to fraction form
    70,329.72/97,055.93 = 38,497.93/x
  3. Step 3: Cross multiply
    70,329.72x = 97,055.93 × 38,497.93
  4. Step 4: Simplify right side
    70,329.72x = 3,736,452,399.22
  5. Step 5: Solve for x
    x = 3,736,452,399.22/70,329.72
  6. Step 6: Final answer
    x = 53,127.65

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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.