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Finding the Fourth Proportional to 14,387.63, 21,569.09 and 5,026.32

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Solution

The fourth proportional to 14,387.63, 21,569.09 and 5,026.32 is: 7,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.63 : 21,569.09 = 5,026.32 : x
  2. Step 2: Convert to fraction form
    14,387.63/21,569.09 = 5,026.32/x
  3. Step 3: Cross multiply
    14,387.63x = 21,569.09 × 5,026.32
  4. Step 4: Simplify right side
    14,387.63x = 108,413,123.32
  5. Step 5: Solve for x
    x = 108,413,123.32/14,387.63
  6. Step 6: Final answer
    x = 7,535.16

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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.