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Finding the Fourth Proportional to 55,885.68, 77,154.12 and 37,048.32

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Solution

The fourth proportional to 55,885.68, 77,154.12 and 37,048.32 is: 51,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,885.68 : 77,154.12 = 37,048.32 : x
  2. Step 2: Convert to fraction form
    55,885.68/77,154.12 = 37,048.32/x
  3. Step 3: Cross multiply
    55,885.68x = 77,154.12 × 37,048.32
  4. Step 4: Simplify right side
    55,885.68x = 2,858,430,527.08
  5. Step 5: Solve for x
    x = 2,858,430,527.08/55,885.68
  6. Step 6: Final answer
    x = 51,147.82

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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.