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Finding the Fourth Proportional to 45,465.68, 68,192.04 and 14,300.12

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Solution

The fourth proportional to 45,465.68, 68,192.04 and 14,300.12 is: 21,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465.68 : 68,192.04 = 14,300.12 : x
  2. Step 2: Convert to fraction form
    45,465.68/68,192.04 = 14,300.12/x
  3. Step 3: Cross multiply
    45,465.68x = 68,192.04 × 14,300.12
  4. Step 4: Simplify right side
    45,465.68x = 975,154,355.04
  5. Step 5: Solve for x
    x = 975,154,355.04/45,465.68
  6. Step 6: Final answer
    x = 21,448.14

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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.