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Finding the Fourth Proportional to 14,203.29, 21,304.95 and 7,671.01

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Solution

The fourth proportional to 14,203.29, 21,304.95 and 7,671.01 is: 11,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.29 : 21,304.95 = 7,671.01 : x
  2. Step 2: Convert to fraction form
    14,203.29/21,304.95 = 7,671.01/x
  3. Step 3: Cross multiply
    14,203.29x = 21,304.95 × 7,671.01
  4. Step 4: Simplify right side
    14,203.29x = 163,430,484.50
  5. Step 5: Solve for x
    x = 163,430,484.50/14,203.29
  6. Step 6: Final answer
    x = 11,506.52

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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.