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Finding the Fourth Proportional to 70,482.60, 97,268.82 and 38,652.66

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Solution

The fourth proportional to 70,482.60, 97,268.82 and 38,652.66 is: 53,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,482.60 : 97,268.82 = 38,652.66 : x
  2. Step 2: Convert to fraction form
    70,482.60/97,268.82 = 38,652.66/x
  3. Step 3: Cross multiply
    70,482.60x = 97,268.82 × 38,652.66
  4. Step 4: Simplify right side
    70,482.60x = 3,759,698,628.06
  5. Step 5: Solve for x
    x = 3,759,698,628.06/70,482.60
  6. Step 6: Final answer
    x = 53,342.22

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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.