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Finding the Fourth Proportional to 8,917,303.14, 12,305,950.65 and 4,842,951.30

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Solution

The fourth proportional to 8,917,303.14, 12,305,950.65 and 4,842,951.30 is: 6,683,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,303.14 : 12,305,950.65 = 4,842,951.30 : x
  2. Step 2: Convert to fraction form
    8,917,303.14/12,305,950.65 = 4,842,951.30/x
  3. Step 3: Cross multiply
    8,917,303.14x = 12,305,950.65 × 4,842,951.30
  4. Step 4: Simplify right side
    8,917,303.14x = 59,597,119,698,153.34
  5. Step 5: Solve for x
    x = 59,597,119,698,153.34/8,917,303.14
  6. Step 6: Final answer
    x = 6,683,312.07

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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.