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Finding the Fourth Proportional to 58,802.56, 81,107.28 and 37,572.40

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Solution

The fourth proportional to 58,802.56, 81,107.28 and 37,572.40 is: 51,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,802.56 : 81,107.28 = 37,572.40 : x
  2. Step 2: Convert to fraction form
    58,802.56/81,107.28 = 37,572.40/x
  3. Step 3: Cross multiply
    58,802.56x = 81,107.28 × 37,572.40
  4. Step 4: Simplify right side
    58,802.56x = 3,047,395,167.07
  5. Step 5: Solve for x
    x = 3,047,395,167.07/58,802.56
  6. Step 6: Final answer
    x = 51,824.19

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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.