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Finding the Fourth Proportional to 30,988.76, 46,482.36 and 8,802.08

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Solution

The fourth proportional to 30,988.76, 46,482.36 and 8,802.08 is: 13,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.76 : 46,482.36 = 8,802.08 : x
  2. Step 2: Convert to fraction form
    30,988.76/46,482.36 = 8,802.08/x
  3. Step 3: Cross multiply
    30,988.76x = 46,482.36 × 8,802.08
  4. Step 4: Simplify right side
    30,988.76x = 409,141,451.31
  5. Step 5: Solve for x
    x = 409,141,451.31/30,988.76
  6. Step 6: Final answer
    x = 13,202.90

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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.