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Finding the Fourth Proportional to 70,164.86, 96,828.90 and 38,335.73

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Solution

The fourth proportional to 70,164.86, 96,828.90 and 38,335.73 is: 52,904.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,164.86 : 96,828.90 = 38,335.73 : x
  2. Step 2: Convert to fraction form
    70,164.86/96,828.90 = 38,335.73/x
  3. Step 3: Cross multiply
    70,164.86x = 96,828.90 × 38,335.73
  4. Step 4: Simplify right side
    70,164.86x = 3,712,006,566.60
  5. Step 5: Solve for x
    x = 3,712,006,566.60/70,164.86
  6. Step 6: Final answer
    x = 52,904.07

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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.