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Finding the Fourth Proportional to 42,684.97, 64,034.97 and 14,598.42

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Solution

The fourth proportional to 42,684.97, 64,034.97 and 14,598.42 is: 21,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,684.97 : 64,034.97 = 14,598.42 : x
  2. Step 2: Convert to fraction form
    42,684.97/64,034.97 = 14,598.42/x
  3. Step 3: Cross multiply
    42,684.97x = 64,034.97 × 14,598.42
  4. Step 4: Simplify right side
    42,684.97x = 934,809,386.75
  5. Step 5: Solve for x
    x = 934,809,386.75/42,684.97
  6. Step 6: Final answer
    x = 21,900.20

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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.