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Finding the Fourth Proportional to 73,575.40, 101,529.06 and 40,040.68

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Solution

The fourth proportional to 73,575.40, 101,529.06 and 40,040.68 is: 55,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,575.40 : 101,529.06 = 40,040.68 : x
  2. Step 2: Convert to fraction form
    73,575.40/101,529.06 = 40,040.68/x
  3. Step 3: Cross multiply
    73,575.40x = 101,529.06 × 40,040.68
  4. Step 4: Simplify right side
    73,575.40x = 4,065,292,602.16
  5. Step 5: Solve for x
    x = 4,065,292,602.16/73,575.40
  6. Step 6: Final answer
    x = 55,253.42

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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.