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Finding the Fourth Proportional to 70,484.46, 97,268.68 and 38,653.58

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Solution

The fourth proportional to 70,484.46, 97,268.68 and 38,653.58 is: 53,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,484.46 : 97,268.68 = 38,653.58 : x
  2. Step 2: Convert to fraction form
    70,484.46/97,268.68 = 38,653.58/x
  3. Step 3: Cross multiply
    70,484.46x = 97,268.68 × 38,653.58
  4. Step 4: Simplify right side
    70,484.46x = 3,759,782,703.87
  5. Step 5: Solve for x
    x = 3,759,782,703.87/70,484.46
  6. Step 6: Final answer
    x = 53,342.01

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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.