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Finding the Fourth Proportional to 30,895.97, 46,327.35 and 9,830.30

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Solution

The fourth proportional to 30,895.97, 46,327.35 and 9,830.30 is: 14,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,895.97 : 46,327.35 = 9,830.30 : x
  2. Step 2: Convert to fraction form
    30,895.97/46,327.35 = 9,830.30/x
  3. Step 3: Cross multiply
    30,895.97x = 46,327.35 × 9,830.30
  4. Step 4: Simplify right side
    30,895.97x = 455,411,748.71
  5. Step 5: Solve for x
    x = 455,411,748.71/30,895.97
  6. Step 6: Final answer
    x = 14,740.17

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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.