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Finding the Fourth Proportional to 19,425.60, 26,807.04 and 10,927.08

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Solution

The fourth proportional to 19,425.60, 26,807.04 and 10,927.08 is: 15,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.60 : 26,807.04 = 10,927.08 : x
  2. Step 2: Convert to fraction form
    19,425.60/26,807.04 = 10,927.08/x
  3. Step 3: Cross multiply
    19,425.60x = 26,807.04 × 10,927.08
  4. Step 4: Simplify right side
    19,425.60x = 292,922,670.64
  5. Step 5: Solve for x
    x = 292,922,670.64/19,425.60
  6. Step 6: Final answer
    x = 15,079.21

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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.