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Finding the Fourth Proportional to 62,275.30, 93,412.95 and 20,722.30

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Solution

The fourth proportional to 62,275.30, 93,412.95 and 20,722.30 is: 31,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,275.30 : 93,412.95 = 20,722.30 : x
  2. Step 2: Convert to fraction form
    62,275.30/93,412.95 = 20,722.30/x
  3. Step 3: Cross multiply
    62,275.30x = 93,412.95 × 20,722.30
  4. Step 4: Simplify right side
    62,275.30x = 1,935,731,173.79
  5. Step 5: Solve for x
    x = 1,935,731,173.79/62,275.30
  6. Step 6: Final answer
    x = 31,083.45

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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.