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Finding the Fourth Proportional to 35,295.53, 48,702.06 and 20,185.76

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Solution

The fourth proportional to 35,295.53, 48,702.06 and 20,185.76 is: 27,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,295.53 : 48,702.06 = 20,185.76 : x
  2. Step 2: Convert to fraction form
    35,295.53/48,702.06 = 20,185.76/x
  3. Step 3: Cross multiply
    35,295.53x = 48,702.06 × 20,185.76
  4. Step 4: Simplify right side
    35,295.53x = 983,087,851.16
  5. Step 5: Solve for x
    x = 983,087,851.16/35,295.53
  6. Step 6: Final answer
    x = 27,853.05

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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.