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Finding the Fourth Proportional to 70,004.05, 105,005.62 and 41,932.08

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Solution

The fourth proportional to 70,004.05, 105,005.62 and 41,932.08 is: 62,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,004.05 : 105,005.62 = 41,932.08 : x
  2. Step 2: Convert to fraction form
    70,004.05/105,005.62 = 41,932.08/x
  3. Step 3: Cross multiply
    70,004.05x = 105,005.62 × 41,932.08
  4. Step 4: Simplify right side
    70,004.05x = 4,403,104,058.29
  5. Step 5: Solve for x
    x = 4,403,104,058.29/70,004.05
  6. Step 6: Final answer
    x = 62,897.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.