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Finding the Fourth Proportional to 25,775.70, 35,569.17 and 16,347.30

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Solution

The fourth proportional to 25,775.70, 35,569.17 and 16,347.30 is: 22,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775.70 : 35,569.17 = 16,347.30 : x
  2. Step 2: Convert to fraction form
    25,775.70/35,569.17 = 16,347.30/x
  3. Step 3: Cross multiply
    25,775.70x = 35,569.17 × 16,347.30
  4. Step 4: Simplify right side
    25,775.70x = 581,459,892.74
  5. Step 5: Solve for x
    x = 581,459,892.74/25,775.70
  6. Step 6: Final answer
    x = 22,558.45

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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.