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Finding the Fourth Proportional to 35,192.80, 52,715.60 and 16,488.80

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Solution

The fourth proportional to 35,192.80, 52,715.60 and 16,488.80 is: 24,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,192.80 : 52,715.60 = 16,488.80 : x
  2. Step 2: Convert to fraction form
    35,192.80/52,715.60 = 16,488.80/x
  3. Step 3: Cross multiply
    35,192.80x = 52,715.60 × 16,488.80
  4. Step 4: Simplify right side
    35,192.80x = 869,216,985.28
  5. Step 5: Solve for x
    x = 869,216,985.28/35,192.80
  6. Step 6: Final answer
    x = 24,698.72

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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.