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Finding the Fourth Proportional to 9,784,706.70, 14,670,061.65 and 4,388,940.30

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Solution

The fourth proportional to 9,784,706.70, 14,670,061.65 and 4,388,940.30 is: 6,580,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784,706.70 : 14,670,061.65 = 4,388,940.30 : x
  2. Step 2: Convert to fraction form
    9,784,706.70/14,670,061.65 = 4,388,940.30/x
  3. Step 3: Cross multiply
    9,784,706.70x = 14,670,061.65 × 4,388,940.30
  4. Step 4: Simplify right side
    9,784,706.70x = 64,386,024,779,169.49
  5. Step 5: Solve for x
    x = 64,386,024,779,169.49/9,784,706.70
  6. Step 6: Final answer
    x = 6,580,271.31

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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.