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Finding the Fourth Proportional to 39,038.48, 53,904.16 and 36,053.22

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Solution

The fourth proportional to 39,038.48, 53,904.16 and 36,053.22 is: 49,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,038.48 : 53,904.16 = 36,053.22 : x
  2. Step 2: Convert to fraction form
    39,038.48/53,904.16 = 36,053.22/x
  3. Step 3: Cross multiply
    39,038.48x = 53,904.16 × 36,053.22
  4. Step 4: Simplify right side
    39,038.48x = 1,943,418,539.40
  5. Step 5: Solve for x
    x = 1,943,418,539.40/39,038.48
  6. Step 6: Final answer
    x = 49,782.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.