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Finding the Fourth Proportional to 34,646.94, 47,810.21 and 19,538.82

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Solution

The fourth proportional to 34,646.94, 47,810.21 and 19,538.82 is: 26,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,646.94 : 47,810.21 = 19,538.82 : x
  2. Step 2: Convert to fraction form
    34,646.94/47,810.21 = 19,538.82/x
  3. Step 3: Cross multiply
    34,646.94x = 47,810.21 × 19,538.82
  4. Step 4: Simplify right side
    34,646.94x = 934,154,989.66
  5. Step 5: Solve for x
    x = 934,154,989.66/34,646.94
  6. Step 6: Final answer
    x = 26,962.12

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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.