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Finding the Fourth Proportional to 5,679,984.92, 8,519,915.82 and 4,537,386.77

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Solution

The fourth proportional to 5,679,984.92, 8,519,915.82 and 4,537,386.77 is: 6,806,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,984.92 : 8,519,915.82 = 4,537,386.77 : x
  2. Step 2: Convert to fraction form
    5,679,984.92/8,519,915.82 = 4,537,386.77/x
  3. Step 3: Cross multiply
    5,679,984.92x = 8,519,915.82 × 4,537,386.77
  4. Step 4: Simplify right side
    5,679,984.92x = 38,658,153,280,582.12
  5. Step 5: Solve for x
    x = 38,658,153,280,582.12/5,679,984.92
  6. Step 6: Final answer
    x = 6,806,030.98

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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.