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Finding the Fourth Proportional to 52,425.30, 72,347.88 and 28,552.08

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Solution

The fourth proportional to 52,425.30, 72,347.88 and 28,552.08 is: 39,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,425.30 : 72,347.88 = 28,552.08 : x
  2. Step 2: Convert to fraction form
    52,425.30/72,347.88 = 28,552.08/x
  3. Step 3: Cross multiply
    52,425.30x = 72,347.88 × 28,552.08
  4. Step 4: Simplify right side
    52,425.30x = 2,065,682,457.59
  5. Step 5: Solve for x
    x = 2,065,682,457.59/52,425.30
  6. Step 6: Final answer
    x = 39,402.40

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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.