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Finding the Fourth Proportional to 14,358.71, 21,538.04 and 4,498.74

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Solution

The fourth proportional to 14,358.71, 21,538.04 and 4,498.74 is: 6,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.71 : 21,538.04 = 4,498.74 : x
  2. Step 2: Convert to fraction form
    14,358.71/21,538.04 = 4,498.74/x
  3. Step 3: Cross multiply
    14,358.71x = 21,538.04 × 4,498.74
  4. Step 4: Simplify right side
    14,358.71x = 96,894,019.58
  5. Step 5: Solve for x
    x = 96,894,019.58/14,358.71
  6. Step 6: Final answer
    x = 6,748.10

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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.