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Finding the Fourth Proportional to 70,698.96, 97,564.08 and 38,867.04

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Solution

The fourth proportional to 70,698.96, 97,564.08 and 38,867.04 is: 53,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,698.96 : 97,564.08 = 38,867.04 : x
  2. Step 2: Convert to fraction form
    70,698.96/97,564.08 = 38,867.04/x
  3. Step 3: Cross multiply
    70,698.96x = 97,564.08 × 38,867.04
  4. Step 4: Simplify right side
    70,698.96x = 3,792,026,999.92
  5. Step 5: Solve for x
    x = 3,792,026,999.92/70,698.96
  6. Step 6: Final answer
    x = 53,636.25

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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.