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Finding the Fourth Proportional to 56,569.60, 84,854.40 and 36,611.20

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Solution

The fourth proportional to 56,569.60, 84,854.40 and 36,611.20 is: 54,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,569.60 : 84,854.40 = 36,611.20 : x
  2. Step 2: Convert to fraction form
    56,569.60/84,854.40 = 36,611.20/x
  3. Step 3: Cross multiply
    56,569.60x = 84,854.40 × 36,611.20
  4. Step 4: Simplify right side
    56,569.60x = 3,106,621,409.28
  5. Step 5: Solve for x
    x = 3,106,621,409.28/56,569.60
  6. Step 6: Final answer
    x = 54,916.80

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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.