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Finding the Fourth Proportional to 14,326.80, 21,492.88 and 4,966.40

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Solution

The fourth proportional to 14,326.80, 21,492.88 and 4,966.40 is: 7,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.80 : 21,492.88 = 4,966.40 : x
  2. Step 2: Convert to fraction form
    14,326.80/21,492.88 = 4,966.40/x
  3. Step 3: Cross multiply
    14,326.80x = 21,492.88 × 4,966.40
  4. Step 4: Simplify right side
    14,326.80x = 106,742,239.23
  5. Step 5: Solve for x
    x = 106,742,239.23/14,326.80
  6. Step 6: Final answer
    x = 7,450.53

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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.