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Finding the Fourth Proportional to 46,826.25, 70,239.45 and 19,124.25

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Solution

The fourth proportional to 46,826.25, 70,239.45 and 19,124.25 is: 28,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,826.25 : 70,239.45 = 19,124.25 : x
  2. Step 2: Convert to fraction form
    46,826.25/70,239.45 = 19,124.25/x
  3. Step 3: Cross multiply
    46,826.25x = 70,239.45 × 19,124.25
  4. Step 4: Simplify right side
    46,826.25x = 1,343,276,801.66
  5. Step 5: Solve for x
    x = 1,343,276,801.66/46,826.25
  6. Step 6: Final answer
    x = 28,686.41

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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.