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Finding the Fourth Proportional to 86,033.59, 129,068.83 and 36,084.89

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Solution

The fourth proportional to 86,033.59, 129,068.83 and 36,084.89 is: 54,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033.59 : 129,068.83 = 36,084.89 : x
  2. Step 2: Convert to fraction form
    86,033.59/129,068.83 = 36,084.89/x
  3. Step 3: Cross multiply
    86,033.59x = 129,068.83 × 36,084.89
  4. Step 4: Simplify right side
    86,033.59x = 4,657,435,075.10
  5. Step 5: Solve for x
    x = 4,657,435,075.10/86,033.59
  6. Step 6: Final answer
    x = 54,135.08

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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.