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Finding the Fourth Proportional to 59,048.86, 88,624.48 and 30,988.74

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Solution

The fourth proportional to 59,048.86, 88,624.48 and 30,988.74 is: 46,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,048.86 : 88,624.48 = 30,988.74 : x
  2. Step 2: Convert to fraction form
    59,048.86/88,624.48 = 30,988.74/x
  3. Step 3: Cross multiply
    59,048.86x = 88,624.48 × 30,988.74
  4. Step 4: Simplify right side
    59,048.86x = 2,746,360,907.44
  5. Step 5: Solve for x
    x = 2,746,360,907.44/59,048.86
  6. Step 6: Final answer
    x = 46,509.97

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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.