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Finding the Fourth Proportional to 60,477.96, 90,758.22 and 21,034.68

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Solution

The fourth proportional to 60,477.96, 90,758.22 and 21,034.68 is: 31,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.96 : 90,758.22 = 21,034.68 : x
  2. Step 2: Convert to fraction form
    60,477.96/90,758.22 = 21,034.68/x
  3. Step 3: Cross multiply
    60,477.96x = 90,758.22 × 21,034.68
  4. Step 4: Simplify right side
    60,477.96x = 1,909,070,115.07
  5. Step 5: Solve for x
    x = 1,909,070,115.07/60,477.96
  6. Step 6: Final answer
    x = 31,566.38

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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.