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Finding the Fourth Proportional to 7,670,491.72, 11,502,746.94 and 2,875,567.24

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Solution

The fourth proportional to 7,670,491.72, 11,502,746.94 and 2,875,567.24 is: 4,312,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670,491.72 : 11,502,746.94 = 2,875,567.24 : x
  2. Step 2: Convert to fraction form
    7,670,491.72/11,502,746.94 = 2,875,567.24/x
  3. Step 3: Cross multiply
    7,670,491.72x = 11,502,746.94 × 2,875,567.24
  4. Step 4: Simplify right side
    7,670,491.72x = 33,076,922,270,674.25
  5. Step 5: Solve for x
    x = 33,076,922,270,674.25/7,670,491.72
  6. Step 6: Final answer
    x = 4,312,229.71

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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.