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Finding the Fourth Proportional to 40,088.88, 59,887.50 and 28,900.08

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Solution

The fourth proportional to 40,088.88, 59,887.50 and 28,900.08 is: 43,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,088.88 : 59,887.50 = 28,900.08 : x
  2. Step 2: Convert to fraction form
    40,088.88/59,887.50 = 28,900.08/x
  3. Step 3: Cross multiply
    40,088.88x = 59,887.50 × 28,900.08
  4. Step 4: Simplify right side
    40,088.88x = 1,730,753,541
  5. Step 5: Solve for x
    x = 1,730,753,541/40,088.88
  6. Step 6: Final answer
    x = 43,172.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.