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Finding the Fourth Proportional to 7,830,049.65, 10,973,266.95 and 7,830,049.65

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Solution

The fourth proportional to 7,830,049.65, 10,973,266.95 and 7,830,049.65 is: 10,973,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,049.65 : 10,973,266.95 = 7,830,049.65 : x
  2. Step 2: Convert to fraction form
    7,830,049.65/10,973,266.95 = 7,830,049.65/x
  3. Step 3: Cross multiply
    7,830,049.65x = 10,973,266.95 × 7,830,049.65
  4. Step 4: Simplify right side
    7,830,049.65x = 85,921,225,041,204.06
  5. Step 5: Solve for x
    x = 85,921,225,041,204.06/7,830,049.65
  6. Step 6: Final answer
    x = 10,973,266.95

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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.