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Finding the Fourth Proportional to 51,945.60, 77,907.60 and 22,364.40

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Solution

The fourth proportional to 51,945.60, 77,907.60 and 22,364.40 is: 33,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,945.60 : 77,907.60 = 22,364.40 : x
  2. Step 2: Convert to fraction form
    51,945.60/77,907.60 = 22,364.40/x
  3. Step 3: Cross multiply
    51,945.60x = 77,907.60 × 22,364.40
  4. Step 4: Simplify right side
    51,945.60x = 1,742,356,729.44
  5. Step 5: Solve for x
    x = 1,742,356,729.44/51,945.60
  6. Step 6: Final answer
    x = 33,541.95

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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.