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Finding the Fourth Proportional to 70,362.58, 97,100.40 and 38,097.48

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Solution

The fourth proportional to 70,362.58, 97,100.40 and 38,097.48 is: 52,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,362.58 : 97,100.40 = 38,097.48 : x
  2. Step 2: Convert to fraction form
    70,362.58/97,100.40 = 38,097.48/x
  3. Step 3: Cross multiply
    70,362.58x = 97,100.40 × 38,097.48
  4. Step 4: Simplify right side
    70,362.58x = 3,699,280,546.99
  5. Step 5: Solve for x
    x = 3,699,280,546.99/70,362.58
  6. Step 6: Final answer
    x = 52,574.54

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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.