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Finding the Fourth Proportional to 26,641,946.52, 39,978,862.74 and 11,495,878.02

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Solution

The fourth proportional to 26,641,946.52, 39,978,862.74 and 11,495,878.02 is: 17,250,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641,946.52 : 39,978,862.74 = 11,495,878.02 : x
  2. Step 2: Convert to fraction form
    26,641,946.52/39,978,862.74 = 11,495,878.02/x
  3. Step 3: Cross multiply
    26,641,946.52x = 39,978,862.74 × 11,495,878.02
  4. Step 4: Simplify right side
    26,641,946.52x = 459,592,129,437,363
  5. Step 5: Solve for x
    x = 459,592,129,437,363/26,641,946.52
  6. Step 6: Final answer
    x = 17,250,696.34

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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.