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Finding the Fourth Proportional to 14,071.71, 21,097.05 and 4,706.17

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Solution

The fourth proportional to 14,071.71, 21,097.05 and 4,706.17 is: 7,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.71 : 21,097.05 = 4,706.17 : x
  2. Step 2: Convert to fraction form
    14,071.71/21,097.05 = 4,706.17/x
  3. Step 3: Cross multiply
    14,071.71x = 21,097.05 × 4,706.17
  4. Step 4: Simplify right side
    14,071.71x = 99,286,303.80
  5. Step 5: Solve for x
    x = 99,286,303.80/14,071.71
  6. Step 6: Final answer
    x = 7,055.74

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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.