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Finding the Fourth Proportional to 70,006.86, 96,607.62 and 38,176.38

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Solution

The fourth proportional to 70,006.86, 96,607.62 and 38,176.38 is: 52,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,006.86 : 96,607.62 = 38,176.38 : x
  2. Step 2: Convert to fraction form
    70,006.86/96,607.62 = 38,176.38/x
  3. Step 3: Cross multiply
    70,006.86x = 96,607.62 × 38,176.38
  4. Step 4: Simplify right side
    70,006.86x = 3,688,129,212.02
  5. Step 5: Solve for x
    x = 3,688,129,212.02/70,006.86
  6. Step 6: Final answer
    x = 52,682.40

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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.