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Finding the Fourth Proportional to 25,957.44, 35,810.52 and 19,167.72

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Solution

The fourth proportional to 25,957.44, 35,810.52 and 19,167.72 is: 26,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,957.44 : 35,810.52 = 19,167.72 : x
  2. Step 2: Convert to fraction form
    25,957.44/35,810.52 = 19,167.72/x
  3. Step 3: Cross multiply
    25,957.44x = 35,810.52 × 19,167.72
  4. Step 4: Simplify right side
    25,957.44x = 686,406,020.41
  5. Step 5: Solve for x
    x = 686,406,020.41/25,957.44
  6. Step 6: Final answer
    x = 26,443.52

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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.