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Finding the Fourth Proportional to 70,625.42, 97,462.63 and 38,359.71

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Solution

The fourth proportional to 70,625.42, 97,462.63 and 38,359.71 is: 52,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,625.42 : 97,462.63 = 38,359.71 : x
  2. Step 2: Convert to fraction form
    70,625.42/97,462.63 = 38,359.71/x
  3. Step 3: Cross multiply
    70,625.42x = 97,462.63 × 38,359.71
  4. Step 4: Simplify right side
    70,625.42x = 3,738,637,543.53
  5. Step 5: Solve for x
    x = 3,738,637,543.53/70,625.42
  6. Step 6: Final answer
    x = 52,936.15

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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.