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Finding the Fourth Proportional to 44,807.90, 67,222.80 and 13,643.15

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Solution

The fourth proportional to 44,807.90, 67,222.80 and 13,643.15 is: 20,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,807.90 : 67,222.80 = 13,643.15 : x
  2. Step 2: Convert to fraction form
    44,807.90/67,222.80 = 13,643.15/x
  3. Step 3: Cross multiply
    44,807.90x = 67,222.80 × 13,643.15
  4. Step 4: Simplify right side
    44,807.90x = 917,130,407.71
  5. Step 5: Solve for x
    x = 917,130,407.71/44,807.90
  6. Step 6: Final answer
    x = 20,468.05

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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.