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Finding the Fourth Proportional to 29,588.80, 44,376.80 and 12,948.80

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Solution

The fourth proportional to 29,588.80, 44,376.80 and 12,948.80 is: 19,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,588.80 : 44,376.80 = 12,948.80 : x
  2. Step 2: Convert to fraction form
    29,588.80/44,376.80 = 12,948.80/x
  3. Step 3: Cross multiply
    29,588.80x = 44,376.80 × 12,948.80
  4. Step 4: Simplify right side
    29,588.80x = 574,626,307.84
  5. Step 5: Solve for x
    x = 574,626,307.84/29,588.80
  6. Step 6: Final answer
    x = 19,420.40

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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.