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Finding the Fourth Proportional to 68,130.25, 94,019.02 and 37,915.06

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Solution

The fourth proportional to 68,130.25, 94,019.02 and 37,915.06 is: 52,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,130.25 : 94,019.02 = 37,915.06 : x
  2. Step 2: Convert to fraction form
    68,130.25/94,019.02 = 37,915.06/x
  3. Step 3: Cross multiply
    68,130.25x = 94,019.02 × 37,915.06
  4. Step 4: Simplify right side
    68,130.25x = 3,564,736,842.00
  5. Step 5: Solve for x
    x = 3,564,736,842.00/68,130.25
  6. Step 6: Final answer
    x = 52,322.38

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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.