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Finding the Fourth Proportional to 5,969,387.40, 8,935,029.90 and 4,709,675.40

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Solution

The fourth proportional to 5,969,387.40, 8,935,029.90 and 4,709,675.40 is: 7,049,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,969,387.40 : 8,935,029.90 = 4,709,675.40 : x
  2. Step 2: Convert to fraction form
    5,969,387.40/8,935,029.90 = 4,709,675.40/x
  3. Step 3: Cross multiply
    5,969,387.40x = 8,935,029.90 × 4,709,675.40
  4. Step 4: Simplify right side
    5,969,387.40x = 42,081,090,518,294.47
  5. Step 5: Solve for x
    x = 42,081,090,518,294.47/5,969,387.40
  6. Step 6: Final answer
    x = 7,049,482.25

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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.