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Finding the Fourth Proportional to 62,315.51, 93,484.88 and 20,191.84

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Solution

The fourth proportional to 62,315.51, 93,484.88 and 20,191.84 is: 30,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,315.51 : 93,484.88 = 20,191.84 : x
  2. Step 2: Convert to fraction form
    62,315.51/93,484.88 = 20,191.84/x
  3. Step 3: Cross multiply
    62,315.51x = 93,484.88 × 20,191.84
  4. Step 4: Simplify right side
    62,315.51x = 1,887,631,171.00
  5. Step 5: Solve for x
    x = 1,887,631,171.00/62,315.51
  6. Step 6: Final answer
    x = 30,291.51

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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.