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Finding the Fourth Proportional to 70,907.04, 97,862.52 and 53,883.54

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Solution

The fourth proportional to 70,907.04, 97,862.52 and 53,883.54 is: 74,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,907.04 : 97,862.52 = 53,883.54 : x
  2. Step 2: Convert to fraction form
    70,907.04/97,862.52 = 53,883.54/x
  3. Step 3: Cross multiply
    70,907.04x = 97,862.52 × 53,883.54
  4. Step 4: Simplify right side
    70,907.04x = 5,273,179,010.92
  5. Step 5: Solve for x
    x = 5,273,179,010.92/70,907.04
  6. Step 6: Final answer
    x = 74,367.50

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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.