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Finding the Fourth Proportional to 10,503.04, 15,696.53 and 9,896.08

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Solution

The fourth proportional to 10,503.04, 15,696.53 and 9,896.08 is: 14,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.04 : 15,696.53 = 9,896.08 : x
  2. Step 2: Convert to fraction form
    10,503.04/15,696.53 = 9,896.08/x
  3. Step 3: Cross multiply
    10,503.04x = 15,696.53 × 9,896.08
  4. Step 4: Simplify right side
    10,503.04x = 155,334,116.60
  5. Step 5: Solve for x
    x = 155,334,116.60/10,503.04
  6. Step 6: Final answer
    x = 14,789.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.