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Finding the Fourth Proportional to 37,986.90, 53,298.30 and 37,986.90

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Solution

The fourth proportional to 37,986.90, 53,298.30 and 37,986.90 is: 53,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,986.90 : 53,298.30 = 37,986.90 : x
  2. Step 2: Convert to fraction form
    37,986.90/53,298.30 = 37,986.90/x
  3. Step 3: Cross multiply
    37,986.90x = 53,298.30 × 37,986.90
  4. Step 4: Simplify right side
    37,986.90x = 2,024,637,192.27
  5. Step 5: Solve for x
    x = 2,024,637,192.27/37,986.90
  6. Step 6: Final answer
    x = 53,298.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.