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Finding the Fourth Proportional to 37,707.40, 52,030.41 and 21,788.77

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Solution

The fourth proportional to 37,707.40, 52,030.41 and 21,788.77 is: 30,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,707.40 : 52,030.41 = 21,788.77 : x
  2. Step 2: Convert to fraction form
    37,707.40/52,030.41 = 21,788.77/x
  3. Step 3: Cross multiply
    37,707.40x = 52,030.41 × 21,788.77
  4. Step 4: Simplify right side
    37,707.40x = 1,133,678,636.50
  5. Step 5: Solve for x
    x = 1,133,678,636.50/37,707.40
  6. Step 6: Final answer
    x = 30,065.15

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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.