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Finding the Fourth Proportional to 55,967.94, 77,235.60 and 30,473.88

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Solution

The fourth proportional to 55,967.94, 77,235.60 and 30,473.88 is: 42,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,967.94 : 77,235.60 = 30,473.88 : x
  2. Step 2: Convert to fraction form
    55,967.94/77,235.60 = 30,473.88/x
  3. Step 3: Cross multiply
    55,967.94x = 77,235.60 × 30,473.88
  4. Step 4: Simplify right side
    55,967.94x = 2,353,668,406.13
  5. Step 5: Solve for x
    x = 2,353,668,406.13/55,967.94
  6. Step 6: Final answer
    x = 42,053.87

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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.