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Finding the Fourth Proportional to 25,075.92, 34,603.92 and 14,465.28

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Solution

The fourth proportional to 25,075.92, 34,603.92 and 14,465.28 is: 19,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,075.92 : 34,603.92 = 14,465.28 : x
  2. Step 2: Convert to fraction form
    25,075.92/34,603.92 = 14,465.28/x
  3. Step 3: Cross multiply
    25,075.92x = 34,603.92 × 14,465.28
  4. Step 4: Simplify right side
    25,075.92x = 500,555,391.90
  5. Step 5: Solve for x
    x = 500,555,391.90/25,075.92
  6. Step 6: Final answer
    x = 19,961.60

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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.