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Finding the Fourth Proportional to 30,929, 46,332.06 and 15,298.92

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Solution

The fourth proportional to 30,929, 46,332.06 and 15,298.92 is: 22,917.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929 : 46,332.06 = 15,298.92 : x
  2. Step 2: Convert to fraction form
    30,929/46,332.06 = 15,298.92/x
  3. Step 3: Cross multiply
    30,929x = 46,332.06 × 15,298.92
  4. Step 4: Simplify right side
    30,929x = 708,830,479.38
  5. Step 5: Solve for x
    x = 708,830,479.38/30,929
  6. Step 6: Final answer
    x = 22,917.99

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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.