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Finding the Fourth Proportional to 55,055.49, 82,565.47 and 15,602.01

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Solution

The fourth proportional to 55,055.49, 82,565.47 and 15,602.01 is: 23,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.49 : 82,565.47 = 15,602.01 : x
  2. Step 2: Convert to fraction form
    55,055.49/82,565.47 = 15,602.01/x
  3. Step 3: Cross multiply
    55,055.49x = 82,565.47 × 15,602.01
  4. Step 4: Simplify right side
    55,055.49x = 1,288,187,210.58
  5. Step 5: Solve for x
    x = 1,288,187,210.58/55,055.49
  6. Step 6: Final answer
    x = 23,397.98

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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.