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Finding the Fourth Proportional to 7,641,010.65, 11,461,515.98 and 7,641,010.65

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Solution

The fourth proportional to 7,641,010.65, 11,461,515.98 and 7,641,010.65 is: 11,461,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641,010.65 : 11,461,515.98 = 7,641,010.65 : x
  2. Step 2: Convert to fraction form
    7,641,010.65/11,461,515.98 = 7,641,010.65/x
  3. Step 3: Cross multiply
    7,641,010.65x = 11,461,515.98 × 7,641,010.65
  4. Step 4: Simplify right side
    7,641,010.65x = 87,577,565,630,120.14
  5. Step 5: Solve for x
    x = 87,577,565,630,120.14/7,641,010.65
  6. Step 6: Final answer
    x = 11,461,515.98

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Double scale
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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.