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Finding the Fourth Proportional to 33,417.40, 46,114.86 and 18,513.40

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Solution

The fourth proportional to 33,417.40, 46,114.86 and 18,513.40 is: 25,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,417.40 : 46,114.86 = 18,513.40 : x
  2. Step 2: Convert to fraction form
    33,417.40/46,114.86 = 18,513.40/x
  3. Step 3: Cross multiply
    33,417.40x = 46,114.86 × 18,513.40
  4. Step 4: Simplify right side
    33,417.40x = 853,742,849.12
  5. Step 5: Solve for x
    x = 853,742,849.12/33,417.40
  6. Step 6: Final answer
    x = 25,547.85

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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.