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Finding the Fourth Proportional to 14,894,719.20, 22,342,078.80 and 5,310,410.40

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Solution

The fourth proportional to 14,894,719.20, 22,342,078.80 and 5,310,410.40 is: 7,965,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894,719.20 : 22,342,078.80 = 5,310,410.40 : x
  2. Step 2: Convert to fraction form
    14,894,719.20/22,342,078.80 = 5,310,410.40/x
  3. Step 3: Cross multiply
    14,894,719.20x = 22,342,078.80 × 5,310,410.40
  4. Step 4: Simplify right side
    14,894,719.20x = 118,645,607,617,139.53
  5. Step 5: Solve for x
    x = 118,645,607,617,139.53/14,894,719.20
  6. Step 6: Final answer
    x = 7,965,615.60

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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.