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Finding the Fourth Proportional to 14,483.04, 19,973.20 and 9,168.80

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Solution

The fourth proportional to 14,483.04, 19,973.20 and 9,168.80 is: 12,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.04 : 19,973.20 = 9,168.80 : x
  2. Step 2: Convert to fraction form
    14,483.04/19,973.20 = 9,168.80/x
  3. Step 3: Cross multiply
    14,483.04x = 19,973.20 × 9,168.80
  4. Step 4: Simplify right side
    14,483.04x = 183,130,276.16
  5. Step 5: Solve for x
    x = 183,130,276.16/14,483.04
  6. Step 6: Final answer
    x = 12,644.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.