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Finding the Fourth Proportional to 70,684.63, 97,543.67 and 38,852.84

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Solution

The fourth proportional to 70,684.63, 97,543.67 and 38,852.84 is: 53,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,684.63 : 97,543.67 = 38,852.84 : x
  2. Step 2: Convert to fraction form
    70,684.63/97,543.67 = 38,852.84/x
  3. Step 3: Cross multiply
    70,684.63x = 97,543.67 × 38,852.84
  4. Step 4: Simplify right side
    70,684.63x = 3,789,848,653.12
  5. Step 5: Solve for x
    x = 3,789,848,653.12/70,684.63
  6. Step 6: Final answer
    x = 53,616.31

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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.