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Finding the Fourth Proportional to 9,788,608.45, 13,508,662.71 and 6,697,614.70

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Solution

The fourth proportional to 9,788,608.45, 13,508,662.71 and 6,697,614.70 is: 9,242,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788,608.45 : 13,508,662.71 = 6,697,614.70 : x
  2. Step 2: Convert to fraction form
    9,788,608.45/13,508,662.71 = 6,697,614.70/x
  3. Step 3: Cross multiply
    9,788,608.45x = 13,508,662.71 × 6,697,614.70
  4. Step 4: Simplify right side
    9,788,608.45x = 90,475,817,943,837.84
  5. Step 5: Solve for x
    x = 90,475,817,943,837.84/9,788,608.45
  6. Step 6: Final answer
    x = 9,242,970.38

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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.