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Finding the Fourth Proportional to 14,898.80, 22,347.48 and 5,538.80

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Solution

The fourth proportional to 14,898.80, 22,347.48 and 5,538.80 is: 8,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,898.80 : 22,347.48 = 5,538.80 : x
  2. Step 2: Convert to fraction form
    14,898.80/22,347.48 = 5,538.80/x
  3. Step 3: Cross multiply
    14,898.80x = 22,347.48 × 5,538.80
  4. Step 4: Simplify right side
    14,898.80x = 123,778,222.22
  5. Step 5: Solve for x
    x = 123,778,222.22/14,898.80
  6. Step 6: Final answer
    x = 8,307.93

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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.