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Finding the Fourth Proportional to 70,295.88, 97,008.42 and 38,465.01

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Solution

The fourth proportional to 70,295.88, 97,008.42 and 38,465.01 is: 53,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295.88 : 97,008.42 = 38,465.01 : x
  2. Step 2: Convert to fraction form
    70,295.88/97,008.42 = 38,465.01/x
  3. Step 3: Cross multiply
    70,295.88x = 97,008.42 × 38,465.01
  4. Step 4: Simplify right side
    70,295.88x = 3,731,429,845.38
  5. Step 5: Solve for x
    x = 3,731,429,845.38/70,295.88
  6. Step 6: Final answer
    x = 53,081.77

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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.