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Finding the Fourth Proportional to 30,762.99, 46,159.08 and 18,307.62

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Solution

The fourth proportional to 30,762.99, 46,159.08 and 18,307.62 is: 27,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762.99 : 46,159.08 = 18,307.62 : x
  2. Step 2: Convert to fraction form
    30,762.99/46,159.08 = 18,307.62/x
  3. Step 3: Cross multiply
    30,762.99x = 46,159.08 × 18,307.62
  4. Step 4: Simplify right side
    30,762.99x = 845,062,896.19
  5. Step 5: Solve for x
    x = 845,062,896.19/30,762.99
  6. Step 6: Final answer
    x = 27,470.12

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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.