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Finding the Fourth Proportional to 56,835.76, 85,253.52 and 15,282.80

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Solution

The fourth proportional to 56,835.76, 85,253.52 and 15,282.80 is: 22,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,835.76 : 85,253.52 = 15,282.80 : x
  2. Step 2: Convert to fraction form
    56,835.76/85,253.52 = 15,282.80/x
  3. Step 3: Cross multiply
    56,835.76x = 85,253.52 × 15,282.80
  4. Step 4: Simplify right side
    56,835.76x = 1,302,912,495.46
  5. Step 5: Solve for x
    x = 1,302,912,495.46/56,835.76
  6. Step 6: Final answer
    x = 22,924.17

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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.