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Finding the Fourth Proportional to 14,045.19, 21,071.43 and 7,024.92

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Solution

The fourth proportional to 14,045.19, 21,071.43 and 7,024.92 is: 10,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.19 : 21,071.43 = 7,024.92 : x
  2. Step 2: Convert to fraction form
    14,045.19/21,071.43 = 7,024.92/x
  3. Step 3: Cross multiply
    14,045.19x = 21,071.43 × 7,024.92
  4. Step 4: Simplify right side
    14,045.19x = 148,025,110.04
  5. Step 5: Solve for x
    x = 148,025,110.04/14,045.19
  6. Step 6: Final answer
    x = 10,539.20

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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.