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Finding the Fourth Proportional to 14,341.67, 21,502.68 and 7,308.06

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Solution

The fourth proportional to 14,341.67, 21,502.68 and 7,308.06 is: 10,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.67 : 21,502.68 = 7,308.06 : x
  2. Step 2: Convert to fraction form
    14,341.67/21,502.68 = 7,308.06/x
  3. Step 3: Cross multiply
    14,341.67x = 21,502.68 × 7,308.06
  4. Step 4: Simplify right side
    14,341.67x = 157,142,875.60
  5. Step 5: Solve for x
    x = 157,142,875.60/14,341.67
  6. Step 6: Final answer
    x = 10,957.08

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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.