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Finding the Fourth Proportional to 70,927.83, 97,879.21 and 38,662.79

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Solution

The fourth proportional to 70,927.83, 97,879.21 and 38,662.79 is: 53,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,927.83 : 97,879.21 = 38,662.79 : x
  2. Step 2: Convert to fraction form
    70,927.83/97,879.21 = 38,662.79/x
  3. Step 3: Cross multiply
    70,927.83x = 97,879.21 × 38,662.79
  4. Step 4: Simplify right side
    70,927.83x = 3,784,283,341.60
  5. Step 5: Solve for x
    x = 3,784,283,341.60/70,927.83
  6. Step 6: Final answer
    x = 53,354.00

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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.