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Finding the Fourth Proportional to 7,000,030.80, 10,491,751.80 and 2,956,510.80

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Solution

The fourth proportional to 7,000,030.80, 10,491,751.80 and 2,956,510.80 is: 4,431,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,030.80 : 10,491,751.80 = 2,956,510.80 : x
  2. Step 2: Convert to fraction form
    7,000,030.80/10,491,751.80 = 2,956,510.80/x
  3. Step 3: Cross multiply
    7,000,030.80x = 10,491,751.80 × 2,956,510.80
  4. Step 4: Simplify right side
    7,000,030.80x = 31,018,977,507,619.44
  5. Step 5: Solve for x
    x = 31,018,977,507,619.44/7,000,030.80
  6. Step 6: Final answer
    x = 4,431,263.00

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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.