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Finding the Fourth Proportional to 25,010.80, 37,510.80 and 10,970.80

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Solution

The fourth proportional to 25,010.80, 37,510.80 and 10,970.80 is: 16,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,010.80 : 37,510.80 = 10,970.80 : x
  2. Step 2: Convert to fraction form
    25,010.80/37,510.80 = 10,970.80/x
  3. Step 3: Cross multiply
    25,010.80x = 37,510.80 × 10,970.80
  4. Step 4: Simplify right side
    25,010.80x = 411,523,484.64
  5. Step 5: Solve for x
    x = 411,523,484.64/25,010.80
  6. Step 6: Final answer
    x = 16,453.83

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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.