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Finding the Fourth Proportional to 45,440, 62,702.16 and 25,292.24

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Solution

The fourth proportional to 45,440, 62,702.16 and 25,292.24 is: 34,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,440 : 62,702.16 = 25,292.24 : x
  2. Step 2: Convert to fraction form
    45,440/62,702.16 = 25,292.24/x
  3. Step 3: Cross multiply
    45,440x = 62,702.16 × 25,292.24
  4. Step 4: Simplify right side
    45,440x = 1,585,878,079.24
  5. Step 5: Solve for x
    x = 1,585,878,079.24/45,440
  6. Step 6: Final answer
    x = 34,900.49

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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.