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Finding the Fourth Proportional to 86,627.40, 119,525.40 and 48,894.36

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Solution

The fourth proportional to 86,627.40, 119,525.40 and 48,894.36 is: 67,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,627.40 : 119,525.40 = 48,894.36 : x
  2. Step 2: Convert to fraction form
    86,627.40/119,525.40 = 48,894.36/x
  3. Step 3: Cross multiply
    86,627.40x = 119,525.40 × 48,894.36
  4. Step 4: Simplify right side
    86,627.40x = 5,844,117,936.74
  5. Step 5: Solve for x
    x = 5,844,117,936.74/86,627.40
  6. Step 6: Final answer
    x = 67,462.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.