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Finding the Fourth Proportional to 18,710,313, 28,065,470.58 and 4,526,889

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Solution

The fourth proportional to 18,710,313, 28,065,470.58 and 4,526,889 is: 6,790,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710,313 : 28,065,470.58 = 4,526,889 : x
  2. Step 2: Convert to fraction form
    18,710,313/28,065,470.58 = 4,526,889/x
  3. Step 3: Cross multiply
    18,710,313x = 28,065,470.58 × 4,526,889
  4. Step 4: Simplify right side
    18,710,313x = 127,049,270,048,425.61
  5. Step 5: Solve for x
    x = 127,049,270,048,425.61/18,710,313
  6. Step 6: Final answer
    x = 6,790,333.76

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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.