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Finding the Fourth Proportional to 48,323.70, 72,485.55 and 13,266.90

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Solution

The fourth proportional to 48,323.70, 72,485.55 and 13,266.90 is: 19,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,323.70 : 72,485.55 = 13,266.90 : x
  2. Step 2: Convert to fraction form
    48,323.70/72,485.55 = 13,266.90/x
  3. Step 3: Cross multiply
    48,323.70x = 72,485.55 × 13,266.90
  4. Step 4: Simplify right side
    48,323.70x = 961,658,543.30
  5. Step 5: Solve for x
    x = 961,658,543.30/48,323.70
  6. Step 6: Final answer
    x = 19,900.35

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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.