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Finding the Fourth Proportional to 14,909,097.10, 20,886,907.70 and 14,909,097.10

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Solution

The fourth proportional to 14,909,097.10, 20,886,907.70 and 14,909,097.10 is: 20,886,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909,097.10 : 20,886,907.70 = 14,909,097.10 : x
  2. Step 2: Convert to fraction form
    14,909,097.10/20,886,907.70 = 14,909,097.10/x
  3. Step 3: Cross multiply
    14,909,097.10x = 20,886,907.70 × 14,909,097.10
  4. Step 4: Simplify right side
    14,909,097.10x = 311,404,935,018,037.62
  5. Step 5: Solve for x
    x = 311,404,935,018,037.62/14,909,097.10
  6. Step 6: Final answer
    x = 20,886,907.70

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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.