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Finding the Fourth Proportional to 46,812.30, 70,218.45 and 36,314.70

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Solution

The fourth proportional to 46,812.30, 70,218.45 and 36,314.70 is: 54,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,812.30 : 70,218.45 = 36,314.70 : x
  2. Step 2: Convert to fraction form
    46,812.30/70,218.45 = 36,314.70/x
  3. Step 3: Cross multiply
    46,812.30x = 70,218.45 × 36,314.70
  4. Step 4: Simplify right side
    46,812.30x = 2,549,961,946.22
  5. Step 5: Solve for x
    x = 2,549,961,946.22/46,812.30
  6. Step 6: Final answer
    x = 54,472.05

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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.