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Finding the Fourth Proportional to 25,366.77, 35,038.17 and 19,384.92

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Solution

The fourth proportional to 25,366.77, 35,038.17 and 19,384.92 is: 26,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.77 : 35,038.17 = 19,384.92 : x
  2. Step 2: Convert to fraction form
    25,366.77/35,038.17 = 19,384.92/x
  3. Step 3: Cross multiply
    25,366.77x = 35,038.17 × 19,384.92
  4. Step 4: Simplify right side
    25,366.77x = 679,212,122.40
  5. Step 5: Solve for x
    x = 679,212,122.40/25,366.77
  6. Step 6: Final answer
    x = 26,775.66

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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.