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Finding the Fourth Proportional to 48,813.99, 73,192.95 and 19,215.68

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Solution

The fourth proportional to 48,813.99, 73,192.95 and 19,215.68 is: 28,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,813.99 : 73,192.95 = 19,215.68 : x
  2. Step 2: Convert to fraction form
    48,813.99/73,192.95 = 19,215.68/x
  3. Step 3: Cross multiply
    48,813.99x = 73,192.95 × 19,215.68
  4. Step 4: Simplify right side
    48,813.99x = 1,406,452,011.55
  5. Step 5: Solve for x
    x = 1,406,452,011.55/48,813.99
  6. Step 6: Final answer
    x = 28,812.48

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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.