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Finding the Fourth Proportional to 60,228.77, 90,283.01 and 40,255.08

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Solution

The fourth proportional to 60,228.77, 90,283.01 and 40,255.08 is: 60,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,228.77 : 90,283.01 = 40,255.08 : x
  2. Step 2: Convert to fraction form
    60,228.77/90,283.01 = 40,255.08/x
  3. Step 3: Cross multiply
    60,228.77x = 90,283.01 × 40,255.08
  4. Step 4: Simplify right side
    60,228.77x = 3,634,349,588.92
  5. Step 5: Solve for x
    x = 3,634,349,588.92/60,228.77
  6. Step 6: Final answer
    x = 60,342.42

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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.