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Finding the Fourth Proportional to 18,445,895.60, 27,668,843.40 and 18,162,460.40

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Solution

The fourth proportional to 18,445,895.60, 27,668,843.40 and 18,162,460.40 is: 27,243,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,895.60 : 27,668,843.40 = 18,162,460.40 : x
  2. Step 2: Convert to fraction form
    18,445,895.60/27,668,843.40 = 18,162,460.40/x
  3. Step 3: Cross multiply
    18,445,895.60x = 27,668,843.40 × 18,162,460.40
  4. Step 4: Simplify right side
    18,445,895.60x = 502,534,272,566,301.31
  5. Step 5: Solve for x
    x = 502,534,272,566,301.31/18,445,895.60
  6. Step 6: Final answer
    x = 27,243,690.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.