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Finding the Fourth Proportional to 70,583.16, 97,404.93 and 38,754.11

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Solution

The fourth proportional to 70,583.16, 97,404.93 and 38,754.11 is: 53,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,583.16 : 97,404.93 = 38,754.11 : x
  2. Step 2: Convert to fraction form
    70,583.16/97,404.93 = 38,754.11/x
  3. Step 3: Cross multiply
    70,583.16x = 97,404.93 × 38,754.11
  4. Step 4: Simplify right side
    70,583.16x = 3,774,841,615.27
  5. Step 5: Solve for x
    x = 3,774,841,615.27/70,583.16
  6. Step 6: Final answer
    x = 53,480.77

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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.