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Finding the Fourth Proportional to 18,339,574.01, 25,308,873.60 and 10,080,399.52

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Solution

The fourth proportional to 18,339,574.01, 25,308,873.60 and 10,080,399.52 is: 13,911,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339,574.01 : 25,308,873.60 = 10,080,399.52 : x
  2. Step 2: Convert to fraction form
    18,339,574.01/25,308,873.60 = 10,080,399.52/x
  3. Step 3: Cross multiply
    18,339,574.01x = 25,308,873.60 × 10,080,399.52
  4. Step 4: Simplify right side
    18,339,574.01x = 255,123,557,162,636.34
  5. Step 5: Solve for x
    x = 255,123,557,162,636.34/18,339,574.01
  6. Step 6: Final answer
    x = 13,911,095.05

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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.