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Finding the Fourth Proportional to 74,602.50, 102,951.66 and 41,068.50

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Solution

The fourth proportional to 74,602.50, 102,951.66 and 41,068.50 is: 56,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602.50 : 102,951.66 = 41,068.50 : x
  2. Step 2: Convert to fraction form
    74,602.50/102,951.66 = 41,068.50/x
  3. Step 3: Cross multiply
    74,602.50x = 102,951.66 × 41,068.50
  4. Step 4: Simplify right side
    74,602.50x = 4,228,070,248.71
  5. Step 5: Solve for x
    x = 4,228,070,248.71/74,602.50
  6. Step 6: Final answer
    x = 56,674.65

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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.