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Finding the Fourth Proportional to 45,443.84, 62,712 and 25,300.28

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Solution

The fourth proportional to 45,443.84, 62,712 and 25,300.28 is: 34,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,443.84 : 62,712 = 25,300.28 : x
  2. Step 2: Convert to fraction form
    45,443.84/62,712 = 25,300.28/x
  3. Step 3: Cross multiply
    45,443.84x = 62,712 × 25,300.28
  4. Step 4: Simplify right side
    45,443.84x = 1,586,631,159.36
  5. Step 5: Solve for x
    x = 1,586,631,159.36/45,443.84
  6. Step 6: Final answer
    x = 34,914.11

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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.