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Finding the Fourth Proportional to 8,889,765.70, 13,334,648.55 and 8,748,048.10

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Solution

The fourth proportional to 8,889,765.70, 13,334,648.55 and 8,748,048.10 is: 13,122,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,765.70 : 13,334,648.55 = 8,748,048.10 : x
  2. Step 2: Convert to fraction form
    8,889,765.70/13,334,648.55 = 8,748,048.10/x
  3. Step 3: Cross multiply
    8,889,765.70x = 13,334,648.55 × 8,748,048.10
  4. Step 4: Simplify right side
    8,889,765.70x = 116,652,146,911,995.25
  5. Step 5: Solve for x
    x = 116,652,146,911,995.25/8,889,765.70
  6. Step 6: Final answer
    x = 13,122,072.15

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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.