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Finding the Fourth Proportional to 46,703.70, 70,048.03 and 13,416.19

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Solution

The fourth proportional to 46,703.70, 70,048.03 and 13,416.19 is: 20,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,703.70 : 70,048.03 = 13,416.19 : x
  2. Step 2: Convert to fraction form
    46,703.70/70,048.03 = 13,416.19/x
  3. Step 3: Cross multiply
    46,703.70x = 70,048.03 × 13,416.19
  4. Step 4: Simplify right side
    46,703.70x = 939,777,679.61
  5. Step 5: Solve for x
    x = 939,777,679.61/46,703.70
  6. Step 6: Final answer
    x = 20,122.12

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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.