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Finding the Fourth Proportional to 34,506,739.40, 51,716,150.40 and 18,340,435.40

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Solution

The fourth proportional to 34,506,739.40, 51,716,150.40 and 18,340,435.40 is: 27,487,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,506,739.40 : 51,716,150.40 = 18,340,435.40 : x
  2. Step 2: Convert to fraction form
    34,506,739.40/51,716,150.40 = 18,340,435.40/x
  3. Step 3: Cross multiply
    34,506,739.40x = 51,716,150.40 × 18,340,435.40
  4. Step 4: Simplify right side
    34,506,739.40x = 948,496,715,547,884
  5. Step 5: Solve for x
    x = 948,496,715,547,884/34,506,739.40
  6. Step 6: Final answer
    x = 27,487,288.92

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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.