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Finding the Fourth Proportional to 48,125.88, 72,188.64 and 13,065.48

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Solution

The fourth proportional to 48,125.88, 72,188.64 and 13,065.48 is: 19,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,125.88 : 72,188.64 = 13,065.48 : x
  2. Step 2: Convert to fraction form
    48,125.88/72,188.64 = 13,065.48/x
  3. Step 3: Cross multiply
    48,125.88x = 72,188.64 × 13,065.48
  4. Step 4: Simplify right side
    48,125.88x = 943,179,232.15
  5. Step 5: Solve for x
    x = 943,179,232.15/48,125.88
  6. Step 6: Final answer
    x = 19,598.17

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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.