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Finding the Fourth Proportional to 34,810.80, 48,039.15 and 18,895.25

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Solution

The fourth proportional to 34,810.80, 48,039.15 and 18,895.25 is: 26,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,810.80 : 48,039.15 = 18,895.25 : x
  2. Step 2: Convert to fraction form
    34,810.80/48,039.15 = 18,895.25/x
  3. Step 3: Cross multiply
    34,810.80x = 48,039.15 × 18,895.25
  4. Step 4: Simplify right side
    34,810.80x = 907,711,749.04
  5. Step 5: Solve for x
    x = 907,711,749.04/34,810.80
  6. Step 6: Final answer
    x = 26,075.58

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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.