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Finding the Fourth Proportional to 9,398.63, 14,029.61 and 8,972.17

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Solution

The fourth proportional to 9,398.63, 14,029.61 and 8,972.17 is: 13,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,398.63 : 14,029.61 = 8,972.17 : x
  2. Step 2: Convert to fraction form
    9,398.63/14,029.61 = 8,972.17/x
  3. Step 3: Cross multiply
    9,398.63x = 14,029.61 × 8,972.17
  4. Step 4: Simplify right side
    9,398.63x = 125,875,966.02
  5. Step 5: Solve for x
    x = 125,875,966.02/9,398.63
  6. Step 6: Final answer
    x = 13,393.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.