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Finding the Fourth Proportional to 60,307.68, 90,313.92 and 42,494.56

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Solution

The fourth proportional to 60,307.68, 90,313.92 and 42,494.56 is: 63,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,307.68 : 90,313.92 = 42,494.56 : x
  2. Step 2: Convert to fraction form
    60,307.68/90,313.92 = 42,494.56/x
  3. Step 3: Cross multiply
    60,307.68x = 90,313.92 × 42,494.56
  4. Step 4: Simplify right side
    60,307.68x = 3,837,850,292.28
  5. Step 5: Solve for x
    x = 3,837,850,292.28/60,307.68
  6. Step 6: Final answer
    x = 63,637.84

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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.