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Finding the Fourth Proportional to 65,015.52, 97,554.12 and 45,055.71

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Solution

The fourth proportional to 65,015.52, 97,554.12 and 45,055.71 is: 67,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015.52 : 97,554.12 = 45,055.71 : x
  2. Step 2: Convert to fraction form
    65,015.52/97,554.12 = 45,055.71/x
  3. Step 3: Cross multiply
    65,015.52x = 97,554.12 × 45,055.71
  4. Step 4: Simplify right side
    65,015.52x = 4,395,370,140.03
  5. Step 5: Solve for x
    x = 4,395,370,140.03/65,015.52
  6. Step 6: Final answer
    x = 67,604.94

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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.