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Finding the Fourth Proportional to 10,866,563.40, 16,264,415.70 and 10,866,563.40

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Solution

The fourth proportional to 10,866,563.40, 16,264,415.70 and 10,866,563.40 is: 16,264,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,563.40 : 16,264,415.70 = 10,866,563.40 : x
  2. Step 2: Convert to fraction form
    10,866,563.40/16,264,415.70 = 10,866,563.40/x
  3. Step 3: Cross multiply
    10,866,563.40x = 16,264,415.70 × 10,866,563.40
  4. Step 4: Simplify right side
    10,866,563.40x = 176,738,304,368,005.38
  5. Step 5: Solve for x
    x = 176,738,304,368,005.38/10,866,563.40
  6. Step 6: Final answer
    x = 16,264,415.70

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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.