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Finding the Fourth Proportional to 6,668,416.49, 9,202,357.01 and 3,612,623.45

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Solution

The fourth proportional to 6,668,416.49, 9,202,357.01 and 3,612,623.45 is: 4,985,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668,416.49 : 9,202,357.01 = 3,612,623.45 : x
  2. Step 2: Convert to fraction form
    6,668,416.49/9,202,357.01 = 3,612,623.45/x
  3. Step 3: Cross multiply
    6,668,416.49x = 9,202,357.01 × 3,612,623.45
  4. Step 4: Simplify right side
    6,668,416.49x = 33,244,650,692,617.65
  5. Step 5: Solve for x
    x = 33,244,650,692,617.65/6,668,416.49
  6. Step 6: Final answer
    x = 4,985,389.08

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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.