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Finding the Fourth Proportional to 63,081.50, 94,515.13 and 38,068.99

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Solution

The fourth proportional to 63,081.50, 94,515.13 and 38,068.99 is: 57,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,081.50 : 94,515.13 = 38,068.99 : x
  2. Step 2: Convert to fraction form
    63,081.50/94,515.13 = 38,068.99/x
  3. Step 3: Cross multiply
    63,081.50x = 94,515.13 × 38,068.99
  4. Step 4: Simplify right side
    63,081.50x = 3,598,095,538.82
  5. Step 5: Solve for x
    x = 3,598,095,538.82/63,081.50
  6. Step 6: Final answer
    x = 57,038.84

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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.