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Finding the Fourth Proportional to 19,275.60, 28,913.40 and 14,901.60

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Solution

The fourth proportional to 19,275.60, 28,913.40 and 14,901.60 is: 22,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.60 : 28,913.40 = 14,901.60 : x
  2. Step 2: Convert to fraction form
    19,275.60/28,913.40 = 14,901.60/x
  3. Step 3: Cross multiply
    19,275.60x = 28,913.40 × 14,901.60
  4. Step 4: Simplify right side
    19,275.60x = 430,855,921.44
  5. Step 5: Solve for x
    x = 430,855,921.44/19,275.60
  6. Step 6: Final answer
    x = 22,352.40

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Similar ratio
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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.