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Finding the Fourth Proportional to 17,970.84, 24,800.28 and 10,417.20

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Solution

The fourth proportional to 17,970.84, 24,800.28 and 10,417.20 is: 14,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.84 : 24,800.28 = 10,417.20 : x
  2. Step 2: Convert to fraction form
    17,970.84/24,800.28 = 10,417.20/x
  3. Step 3: Cross multiply
    17,970.84x = 24,800.28 × 10,417.20
  4. Step 4: Simplify right side
    17,970.84x = 258,349,476.82
  5. Step 5: Solve for x
    x = 258,349,476.82/17,970.84
  6. Step 6: Final answer
    x = 14,376.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.