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Finding the Fourth Proportional to 37,710.50, 52,045.08 and 21,795.08

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Solution

The fourth proportional to 37,710.50, 52,045.08 and 21,795.08 is: 30,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,710.50 : 52,045.08 = 21,795.08 : x
  2. Step 2: Convert to fraction form
    37,710.50/52,045.08 = 21,795.08/x
  3. Step 3: Cross multiply
    37,710.50x = 52,045.08 × 21,795.08
  4. Step 4: Simplify right side
    37,710.50x = 1,134,326,682.21
  5. Step 5: Solve for x
    x = 1,134,326,682.21/37,710.50
  6. Step 6: Final answer
    x = 30,079.86

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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.