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Finding the Fourth Proportional to 55,303.25, 82,955.18 and 13,750.25

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Solution

The fourth proportional to 55,303.25, 82,955.18 and 13,750.25 is: 20,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,303.25 : 82,955.18 = 13,750.25 : x
  2. Step 2: Convert to fraction form
    55,303.25/82,955.18 = 13,750.25/x
  3. Step 3: Cross multiply
    55,303.25x = 82,955.18 × 13,750.25
  4. Step 4: Simplify right side
    55,303.25x = 1,140,654,395.04
  5. Step 5: Solve for x
    x = 1,140,654,395.04/55,303.25
  6. Step 6: Final answer
    x = 20,625.45

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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.