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Finding the Fourth Proportional to 62,953.47, 94,430.21 and 20,822.23

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Solution

The fourth proportional to 62,953.47, 94,430.21 and 20,822.23 is: 31,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,953.47 : 94,430.21 = 20,822.23 : x
  2. Step 2: Convert to fraction form
    62,953.47/94,430.21 = 20,822.23/x
  3. Step 3: Cross multiply
    62,953.47x = 94,430.21 × 20,822.23
  4. Step 4: Simplify right side
    62,953.47x = 1,966,247,565.49
  5. Step 5: Solve for x
    x = 1,966,247,565.49/62,953.47
  6. Step 6: Final answer
    x = 31,233.35

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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.