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Finding the Fourth Proportional to 62,686.48, 94,038.50 and 18,316.48

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Solution

The fourth proportional to 62,686.48, 94,038.50 and 18,316.48 is: 27,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,686.48 : 94,038.50 = 18,316.48 : x
  2. Step 2: Convert to fraction form
    62,686.48/94,038.50 = 18,316.48/x
  3. Step 3: Cross multiply
    62,686.48x = 94,038.50 × 18,316.48
  4. Step 4: Simplify right side
    62,686.48x = 1,722,454,304.48
  5. Step 5: Solve for x
    x = 1,722,454,304.48/62,686.48
  6. Step 6: Final answer
    x = 27,477.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.