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Finding the Fourth Proportional to 37,315.90, 51,495.33 and 20,548.90

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Solution

The fourth proportional to 37,315.90, 51,495.33 and 20,548.90 is: 28,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,315.90 : 51,495.33 = 20,548.90 : x
  2. Step 2: Convert to fraction form
    37,315.90/51,495.33 = 20,548.90/x
  3. Step 3: Cross multiply
    37,315.90x = 51,495.33 × 20,548.90
  4. Step 4: Simplify right side
    37,315.90x = 1,058,172,386.64
  5. Step 5: Solve for x
    x = 1,058,172,386.64/37,315.90
  6. Step 6: Final answer
    x = 28,357.14

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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.