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Finding the Fourth Proportional to 56,681.80, 84,966.90 and 31,733.80

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Solution

The fourth proportional to 56,681.80, 84,966.90 and 31,733.80 is: 47,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,681.80 : 84,966.90 = 31,733.80 : x
  2. Step 2: Convert to fraction form
    56,681.80/84,966.90 = 31,733.80/x
  3. Step 3: Cross multiply
    56,681.80x = 84,966.90 × 31,733.80
  4. Step 4: Simplify right side
    56,681.80x = 2,696,322,611.22
  5. Step 5: Solve for x
    x = 2,696,322,611.22/56,681.80
  6. Step 6: Final answer
    x = 47,569.46

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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.