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Finding the Fourth Proportional to 69,603.74, 96,055.29 and 40,918.13

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Solution

The fourth proportional to 69,603.74, 96,055.29 and 40,918.13 is: 56,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,603.74 : 96,055.29 = 40,918.13 : x
  2. Step 2: Convert to fraction form
    69,603.74/96,055.29 = 40,918.13/x
  3. Step 3: Cross multiply
    69,603.74x = 96,055.29 × 40,918.13
  4. Step 4: Simplify right side
    69,603.74x = 3,930,402,158.54
  5. Step 5: Solve for x
    x = 3,930,402,158.54/69,603.74
  6. Step 6: Final answer
    x = 56,468.27

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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.