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Finding the Fourth Proportional to 51,897.74, 77,818.77 and 16,352.42

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Solution

The fourth proportional to 51,897.74, 77,818.77 and 16,352.42 is: 24,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,897.74 : 77,818.77 = 16,352.42 : x
  2. Step 2: Convert to fraction form
    51,897.74/77,818.77 = 16,352.42/x
  3. Step 3: Cross multiply
    51,897.74x = 77,818.77 × 16,352.42
  4. Step 4: Simplify right side
    51,897.74x = 1,272,525,210.92
  5. Step 5: Solve for x
    x = 1,272,525,210.92/51,897.74
  6. Step 6: Final answer
    x = 24,519.86

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1.5x scale

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.