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Finding the Fourth Proportional to 9,346,801.10, 14,020,201.65 and 8,905,901.90

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Solution

The fourth proportional to 9,346,801.10, 14,020,201.65 and 8,905,901.90 is: 13,358,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346,801.10 : 14,020,201.65 = 8,905,901.90 : x
  2. Step 2: Convert to fraction form
    9,346,801.10/14,020,201.65 = 8,905,901.90/x
  3. Step 3: Cross multiply
    9,346,801.10x = 14,020,201.65 × 8,905,901.90
  4. Step 4: Simplify right side
    9,346,801.10x = 124,862,540,513,118.14
  5. Step 5: Solve for x
    x = 124,862,540,513,118.14/9,346,801.10
  6. Step 6: Final answer
    x = 13,358,852.85

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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.