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Finding the Fourth Proportional to 71,574.51, 107,328.45 and 26,564.51

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Solution

The fourth proportional to 71,574.51, 107,328.45 and 26,564.51 is: 39,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,574.51 : 107,328.45 = 26,564.51 : x
  2. Step 2: Convert to fraction form
    71,574.51/107,328.45 = 26,564.51/x
  3. Step 3: Cross multiply
    71,574.51x = 107,328.45 × 26,564.51
  4. Step 4: Simplify right side
    71,574.51x = 2,851,127,683.31
  5. Step 5: Solve for x
    x = 2,851,127,683.31/71,574.51
  6. Step 6: Final answer
    x = 39,834.40

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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.