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Finding the Fourth Proportional to 4,009,668.70, 6,014,503.05 and 1,879,968.10

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Solution

The fourth proportional to 4,009,668.70, 6,014,503.05 and 1,879,968.10 is: 2,819,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009,668.70 : 6,014,503.05 = 1,879,968.10 : x
  2. Step 2: Convert to fraction form
    4,009,668.70/6,014,503.05 = 1,879,968.10/x
  3. Step 3: Cross multiply
    4,009,668.70x = 6,014,503.05 × 1,879,968.10
  4. Step 4: Simplify right side
    4,009,668.70x = 11,307,073,871,352.71
  5. Step 5: Solve for x
    x = 11,307,073,871,352.71/4,009,668.70
  6. Step 6: Final answer
    x = 2,819,952.15

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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.