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Finding the Fourth Proportional to 61,341.60, 92,012.40 and 36,458.40

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Solution

The fourth proportional to 61,341.60, 92,012.40 and 36,458.40 is: 54,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,341.60 : 92,012.40 = 36,458.40 : x
  2. Step 2: Convert to fraction form
    61,341.60/92,012.40 = 36,458.40/x
  3. Step 3: Cross multiply
    61,341.60x = 92,012.40 × 36,458.40
  4. Step 4: Simplify right side
    61,341.60x = 3,354,624,884.16
  5. Step 5: Solve for x
    x = 3,354,624,884.16/61,341.60
  6. Step 6: Final answer
    x = 54,687.60

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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.