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Finding the Fourth Proportional to 69,766.04, 96,275.05 and 39,554.12

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Solution

The fourth proportional to 69,766.04, 96,275.05 and 39,554.12 is: 54,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,766.04 : 96,275.05 = 39,554.12 : x
  2. Step 2: Convert to fraction form
    69,766.04/96,275.05 = 39,554.12/x
  3. Step 3: Cross multiply
    69,766.04x = 96,275.05 × 39,554.12
  4. Step 4: Simplify right side
    69,766.04x = 3,808,075,022.51
  5. Step 5: Solve for x
    x = 3,808,075,022.51/69,766.04
  6. Step 6: Final answer
    x = 54,583.50

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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.