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Finding the Fourth Proportional to 18,832,585.60, 28,248,878.40 and 17,698,844.80

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Solution

The fourth proportional to 18,832,585.60, 28,248,878.40 and 17,698,844.80 is: 26,548,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832,585.60 : 28,248,878.40 = 17,698,844.80 : x
  2. Step 2: Convert to fraction form
    18,832,585.60/28,248,878.40 = 17,698,844.80/x
  3. Step 3: Cross multiply
    18,832,585.60x = 28,248,878.40 × 17,698,844.80
  4. Step 4: Simplify right side
    18,832,585.60x = 499,972,514,575,672.31
  5. Step 5: Solve for x
    x = 499,972,514,575,672.31/18,832,585.60
  6. Step 6: Final answer
    x = 26,548,267.20

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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.