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Finding the Fourth Proportional to 7,192,597.14, 9,925,978.86 and 4,293,670.52

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Solution

The fourth proportional to 7,192,597.14, 9,925,978.86 and 4,293,670.52 is: 5,925,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192,597.14 : 9,925,978.86 = 4,293,670.52 : x
  2. Step 2: Convert to fraction form
    7,192,597.14/9,925,978.86 = 4,293,670.52/x
  3. Step 3: Cross multiply
    7,192,597.14x = 9,925,978.86 × 4,293,670.52
  4. Step 4: Simplify right side
    7,192,597.14x = 42,618,882,763,695.30
  5. Step 5: Solve for x
    x = 42,618,882,763,695.30/7,192,597.14
  6. Step 6: Final answer
    x = 5,925,381.60

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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.