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Finding the Fourth Proportional to 19,106.60, 26,365.60 and 10,607.92

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Solution

The fourth proportional to 19,106.60, 26,365.60 and 10,607.92 is: 14,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.60 : 26,365.60 = 10,607.92 : x
  2. Step 2: Convert to fraction form
    19,106.60/26,365.60 = 10,607.92/x
  3. Step 3: Cross multiply
    19,106.60x = 26,365.60 × 10,607.92
  4. Step 4: Simplify right side
    19,106.60x = 279,684,083.12
  5. Step 5: Solve for x
    x = 279,684,083.12/19,106.60
  6. Step 6: Final answer
    x = 14,638.09

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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.