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Finding the Fourth Proportional to 30,737.53, 42,328.51 and 26,702.51

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Solution

The fourth proportional to 30,737.53, 42,328.51 and 26,702.51 is: 36,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.53 : 42,328.51 = 26,702.51 : x
  2. Step 2: Convert to fraction form
    30,737.53/42,328.51 = 26,702.51/x
  3. Step 3: Cross multiply
    30,737.53x = 42,328.51 × 26,702.51
  4. Step 4: Simplify right side
    30,737.53x = 1,130,277,461.56
  5. Step 5: Solve for x
    x = 1,130,277,461.56/30,737.53
  6. Step 6: Final answer
    x = 36,771.90

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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.