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Finding the Fourth Proportional to 46,008, 63,465.12 and 30,088.80

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Solution

The fourth proportional to 46,008, 63,465.12 and 30,088.80 is: 41,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,008 : 63,465.12 = 30,088.80 : x
  2. Step 2: Convert to fraction form
    46,008/63,465.12 = 30,088.80/x
  3. Step 3: Cross multiply
    46,008x = 63,465.12 × 30,088.80
  4. Step 4: Simplify right side
    46,008x = 1,909,589,302.66
  5. Step 5: Solve for x
    x = 1,909,589,302.66/46,008
  6. Step 6: Final answer
    x = 41,505.59

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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.