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Finding the Fourth Proportional to 66,675.60, 92,009.16 and 36,461.52

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Solution

The fourth proportional to 66,675.60, 92,009.16 and 36,461.52 is: 50,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,675.60 : 92,009.16 = 36,461.52 : x
  2. Step 2: Convert to fraction form
    66,675.60/92,009.16 = 36,461.52/x
  3. Step 3: Cross multiply
    66,675.60x = 92,009.16 × 36,461.52
  4. Step 4: Simplify right side
    66,675.60x = 3,354,793,827.52
  5. Step 5: Solve for x
    x = 3,354,793,827.52/66,675.60
  6. Step 6: Final answer
    x = 50,315.17

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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.