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Finding the Fourth Proportional to 7,713,888.72, 11,569,762.50 and 5,401,370.04

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Solution

The fourth proportional to 7,713,888.72, 11,569,762.50 and 5,401,370.04 is: 8,101,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713,888.72 : 11,569,762.50 = 5,401,370.04 : x
  2. Step 2: Convert to fraction form
    7,713,888.72/11,569,762.50 = 5,401,370.04/x
  3. Step 3: Cross multiply
    7,713,888.72x = 11,569,762.50 × 5,401,370.04
  4. Step 4: Simplify right side
    7,713,888.72x = 62,492,568,537,415.50
  5. Step 5: Solve for x
    x = 62,492,568,537,415.50/7,713,888.72
  6. Step 6: Final answer
    x = 8,101,305.43

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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.