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Finding the Fourth Proportional to 8,698,541.10, 13,044,487.40 and 2,861,368.86

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Solution

The fourth proportional to 8,698,541.10, 13,044,487.40 and 2,861,368.86 is: 4,290,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698,541.10 : 13,044,487.40 = 2,861,368.86 : x
  2. Step 2: Convert to fraction form
    8,698,541.10/13,044,487.40 = 2,861,368.86/x
  3. Step 3: Cross multiply
    8,698,541.10x = 13,044,487.40 × 2,861,368.86
  4. Step 4: Simplify right side
    8,698,541.10x = 37,325,090,026,715.52
  5. Step 5: Solve for x
    x = 37,325,090,026,715.52/8,698,541.10
  6. Step 6: Final answer
    x = 4,290,959.78

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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.