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Finding the Fourth Proportional to 12,509.60, 17,260.98 and 7,204.10

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Solution

The fourth proportional to 12,509.60, 17,260.98 and 7,204.10 is: 9,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.60 : 17,260.98 = 7,204.10 : x
  2. Step 2: Convert to fraction form
    12,509.60/17,260.98 = 7,204.10/x
  3. Step 3: Cross multiply
    12,509.60x = 17,260.98 × 7,204.10
  4. Step 4: Simplify right side
    12,509.60x = 124,349,826.02
  5. Step 5: Solve for x
    x = 124,349,826.02/12,509.60
  6. Step 6: Final answer
    x = 9,940.35

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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.