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Finding the Fourth Proportional to 59,907.63, 89,879.67 and 28,341.93

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Solution

The fourth proportional to 59,907.63, 89,879.67 and 28,341.93 is: 42,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,907.63 : 89,879.67 = 28,341.93 : x
  2. Step 2: Convert to fraction form
    59,907.63/89,879.67 = 28,341.93/x
  3. Step 3: Cross multiply
    59,907.63x = 89,879.67 × 28,341.93
  4. Step 4: Simplify right side
    59,907.63x = 2,547,363,315.56
  5. Step 5: Solve for x
    x = 2,547,363,315.56/59,907.63
  6. Step 6: Final answer
    x = 42,521.52

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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.