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Finding the Fourth Proportional to 10,004.40, 14,929.02 and 8,276.40

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Solution

The fourth proportional to 10,004.40, 14,929.02 and 8,276.40 is: 12,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.40 : 14,929.02 = 8,276.40 : x
  2. Step 2: Convert to fraction form
    10,004.40/14,929.02 = 8,276.40/x
  3. Step 3: Cross multiply
    10,004.40x = 14,929.02 × 8,276.40
  4. Step 4: Simplify right side
    10,004.40x = 123,558,541.13
  5. Step 5: Solve for x
    x = 123,558,541.13/10,004.40
  6. Step 6: Final answer
    x = 12,350.42

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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.