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Finding the Fourth Proportional to 28,898.40, 43,347.60 and 14,901.60

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Solution

The fourth proportional to 28,898.40, 43,347.60 and 14,901.60 is: 22,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.40 : 43,347.60 = 14,901.60 : x
  2. Step 2: Convert to fraction form
    28,898.40/43,347.60 = 14,901.60/x
  3. Step 3: Cross multiply
    28,898.40x = 43,347.60 × 14,901.60
  4. Step 4: Simplify right side
    28,898.40x = 645,948,596.16
  5. Step 5: Solve for x
    x = 645,948,596.16/28,898.40
  6. Step 6: Final answer
    x = 22,352.40

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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.