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Finding the Fourth Proportional to 10,307.76, 14,220.83 and 6,059.01

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Solution

The fourth proportional to 10,307.76, 14,220.83 and 6,059.01 is: 8,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.76 : 14,220.83 = 6,059.01 : x
  2. Step 2: Convert to fraction form
    10,307.76/14,220.83 = 6,059.01/x
  3. Step 3: Cross multiply
    10,307.76x = 14,220.83 × 6,059.01
  4. Step 4: Simplify right side
    10,307.76x = 86,164,080.07
  5. Step 5: Solve for x
    x = 86,164,080.07/10,307.76
  6. Step 6: Final answer
    x = 8,359.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.