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Finding the Fourth Proportional to 47,472.51, 71,200.65 and 15,878.19

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Solution

The fourth proportional to 47,472.51, 71,200.65 and 15,878.19 is: 23,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,472.51 : 71,200.65 = 15,878.19 : x
  2. Step 2: Convert to fraction form
    47,472.51/71,200.65 = 15,878.19/x
  3. Step 3: Cross multiply
    47,472.51x = 71,200.65 × 15,878.19
  4. Step 4: Simplify right side
    47,472.51x = 1,130,537,448.82
  5. Step 5: Solve for x
    x = 1,130,537,448.82/47,472.51
  6. Step 6: Final answer
    x = 23,814.57

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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.