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Finding the Fourth Proportional to 46,706.56, 69,948.48 and 25,878.40

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Solution

The fourth proportional to 46,706.56, 69,948.48 and 25,878.40 is: 38,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,706.56 : 69,948.48 = 25,878.40 : x
  2. Step 2: Convert to fraction form
    46,706.56/69,948.48 = 25,878.40/x
  3. Step 3: Cross multiply
    46,706.56x = 69,948.48 × 25,878.40
  4. Step 4: Simplify right side
    46,706.56x = 1,810,154,744.83
  5. Step 5: Solve for x
    x = 1,810,154,744.83/46,706.56
  6. Step 6: Final answer
    x = 38,755.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.