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Finding the Fourth Proportional to 58,763.48, 81,063.52 and 37,520.40

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Solution

The fourth proportional to 58,763.48, 81,063.52 and 37,520.40 is: 51,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,763.48 : 81,063.52 = 37,520.40 : x
  2. Step 2: Convert to fraction form
    58,763.48/81,063.52 = 37,520.40/x
  3. Step 3: Cross multiply
    58,763.48x = 81,063.52 × 37,520.40
  4. Step 4: Simplify right side
    58,763.48x = 3,041,535,695.81
  5. Step 5: Solve for x
    x = 3,041,535,695.81/58,763.48
  6. Step 6: Final answer
    x = 51,758.94

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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.