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Finding the Fourth Proportional to 9,045,281.70, 12,696,986.70 and 9,045,281.70

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Solution

The fourth proportional to 9,045,281.70, 12,696,986.70 and 9,045,281.70 is: 12,696,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045,281.70 : 12,696,986.70 = 9,045,281.70 : x
  2. Step 2: Convert to fraction form
    9,045,281.70/12,696,986.70 = 9,045,281.70/x
  3. Step 3: Cross multiply
    9,045,281.70x = 12,696,986.70 × 9,045,281.70
  4. Step 4: Simplify right side
    9,045,281.70x = 114,847,821,442,653.38
  5. Step 5: Solve for x
    x = 114,847,821,442,653.38/9,045,281.70
  6. Step 6: Final answer
    x = 12,696,986.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.