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Finding the Fourth Proportional to 6,985,798.48, 9,636,315.82 and 4,540,038.49

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Solution

The fourth proportional to 6,985,798.48, 9,636,315.82 and 4,540,038.49 is: 6,262,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,798.48 : 9,636,315.82 = 4,540,038.49 : x
  2. Step 2: Convert to fraction form
    6,985,798.48/9,636,315.82 = 4,540,038.49/x
  3. Step 3: Cross multiply
    6,985,798.48x = 9,636,315.82 × 4,540,038.49
  4. Step 4: Simplify right side
    6,985,798.48x = 43,749,244,724,595.91
  5. Step 5: Solve for x
    x = 43,749,244,724,595.91/6,985,798.48
  6. Step 6: Final answer
    x = 6,262,597.59

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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.