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Finding the Fourth Proportional to 65,545.74, 90,460.80 and 37,255.68

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Solution

The fourth proportional to 65,545.74, 90,460.80 and 37,255.68 is: 51,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,545.74 : 90,460.80 = 37,255.68 : x
  2. Step 2: Convert to fraction form
    65,545.74/90,460.80 = 37,255.68/x
  3. Step 3: Cross multiply
    65,545.74x = 90,460.80 × 37,255.68
  4. Step 4: Simplify right side
    65,545.74x = 3,370,178,617.34
  5. Step 5: Solve for x
    x = 3,370,178,617.34/65,545.74
  6. Step 6: Final answer
    x = 51,417.20

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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.