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Finding the Fourth Proportional to 13,032.64, 17,984.98 and 7,064.29

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Solution

The fourth proportional to 13,032.64, 17,984.98 and 7,064.29 is: 9,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.64 : 17,984.98 = 7,064.29 : x
  2. Step 2: Convert to fraction form
    13,032.64/17,984.98 = 7,064.29/x
  3. Step 3: Cross multiply
    13,032.64x = 17,984.98 × 7,064.29
  4. Step 4: Simplify right side
    13,032.64x = 127,051,051.74
  5. Step 5: Solve for x
    x = 127,051,051.74/13,032.64
  6. Step 6: Final answer
    x = 9,748.68

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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.