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Finding the Fourth Proportional to 38,221,805.65, 53,661,693.35 and 38,221,805.65

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Solution

The fourth proportional to 38,221,805.65, 53,661,693.35 and 38,221,805.65 is: 53,661,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221,805.65 : 53,661,693.35 = 38,221,805.65 : x
  2. Step 2: Convert to fraction form
    38,221,805.65/53,661,693.35 = 38,221,805.65/x
  3. Step 3: Cross multiply
    38,221,805.65x = 53,661,693.35 × 38,221,805.65
  4. Step 4: Simplify right side
    38,221,805.65x = 2,051,046,814,073,597.50
  5. Step 5: Solve for x
    x = 2,051,046,814,073,597.50/38,221,805.65
  6. Step 6: Final answer
    x = 53,661,693.35

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.