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Finding the Fourth Proportional to 7,671,922.02, 10,587,307.50 and 4,187,229.12

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Solution

The fourth proportional to 7,671,922.02, 10,587,307.50 and 4,187,229.12 is: 5,778,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671,922.02 : 10,587,307.50 = 4,187,229.12 : x
  2. Step 2: Convert to fraction form
    7,671,922.02/10,587,307.50 = 4,187,229.12/x
  3. Step 3: Cross multiply
    7,671,922.02x = 10,587,307.50 × 4,187,229.12
  4. Step 4: Simplify right side
    7,671,922.02x = 44,331,482,266,394.40
  5. Step 5: Solve for x
    x = 44,331,482,266,394.40/7,671,922.02
  6. Step 6: Final answer
    x = 5,778,406.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.