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Finding the Fourth Proportional to 70,696.23, 97,562.65 and 38,865.93

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Solution

The fourth proportional to 70,696.23, 97,562.65 and 38,865.93 is: 53,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,696.23 : 97,562.65 = 38,865.93 : x
  2. Step 2: Convert to fraction form
    70,696.23/97,562.65 = 38,865.93/x
  3. Step 3: Cross multiply
    70,696.23x = 97,562.65 × 38,865.93
  4. Step 4: Simplify right side
    70,696.23x = 3,791,863,125.51
  5. Step 5: Solve for x
    x = 3,791,863,125.51/70,696.23
  6. Step 6: Final answer
    x = 53,636.00

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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.