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Finding the Fourth Proportional to 37,357.30, 56,035.95 and 13,980.70

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Solution

The fourth proportional to 37,357.30, 56,035.95 and 13,980.70 is: 20,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,357.30 : 56,035.95 = 13,980.70 : x
  2. Step 2: Convert to fraction form
    37,357.30/56,035.95 = 13,980.70/x
  3. Step 3: Cross multiply
    37,357.30x = 56,035.95 × 13,980.70
  4. Step 4: Simplify right side
    37,357.30x = 783,421,806.17
  5. Step 5: Solve for x
    x = 783,421,806.17/37,357.30
  6. Step 6: Final answer
    x = 20,971.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.