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Finding the Fourth Proportional to 14,503.47, 21,764.93 and 9,312.99

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Solution

The fourth proportional to 14,503.47, 21,764.93 and 9,312.99 is: 13,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.47 : 21,764.93 = 9,312.99 : x
  2. Step 2: Convert to fraction form
    14,503.47/21,764.93 = 9,312.99/x
  3. Step 3: Cross multiply
    14,503.47x = 21,764.93 × 9,312.99
  4. Step 4: Simplify right side
    14,503.47x = 202,696,575.44
  5. Step 5: Solve for x
    x = 202,696,575.44/14,503.47
  6. Step 6: Final answer
    x = 13,975.73

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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.