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Finding the Fourth Proportional to 70,680.96, 97,544.16 and 38,852.64

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Solution

The fourth proportional to 70,680.96, 97,544.16 and 38,852.64 is: 53,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.96 : 97,544.16 = 38,852.64 : x
  2. Step 2: Convert to fraction form
    70,680.96/97,544.16 = 38,852.64/x
  3. Step 3: Cross multiply
    70,680.96x = 97,544.16 × 38,852.64
  4. Step 4: Simplify right side
    70,680.96x = 3,789,848,132.58
  5. Step 5: Solve for x
    x = 3,789,848,132.58/70,680.96
  6. Step 6: Final answer
    x = 53,619.08

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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.