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Finding the Fourth Proportional to 40,671.84, 56,126.88 and 22,766.76

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Solution

The fourth proportional to 40,671.84, 56,126.88 and 22,766.76 is: 31,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,671.84 : 56,126.88 = 22,766.76 : x
  2. Step 2: Convert to fraction form
    40,671.84/56,126.88 = 22,766.76/x
  3. Step 3: Cross multiply
    40,671.84x = 56,126.88 × 22,766.76
  4. Step 4: Simplify right side
    40,671.84x = 1,277,827,206.51
  5. Step 5: Solve for x
    x = 1,277,827,206.51/40,671.84
  6. Step 6: Final answer
    x = 31,417.98

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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.