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Finding the Fourth Proportional to 74,612.76, 102,926.32 and 46,269.24

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Solution

The fourth proportional to 74,612.76, 102,926.32 and 46,269.24 is: 63,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,612.76 : 102,926.32 = 46,269.24 : x
  2. Step 2: Convert to fraction form
    74,612.76/102,926.32 = 46,269.24/x
  3. Step 3: Cross multiply
    74,612.76x = 102,926.32 × 46,269.24
  4. Step 4: Simplify right side
    74,612.76x = 4,762,322,602.40
  5. Step 5: Solve for x
    x = 4,762,322,602.40/74,612.76
  6. Step 6: Final answer
    x = 63,827.19

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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.