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Finding the Fourth Proportional to 39,395.61, 59,093.61 and 14,437.50

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Solution

The fourth proportional to 39,395.61, 59,093.61 and 14,437.50 is: 21,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,395.61 : 59,093.61 = 14,437.50 : x
  2. Step 2: Convert to fraction form
    39,395.61/59,093.61 = 14,437.50/x
  3. Step 3: Cross multiply
    39,395.61x = 59,093.61 × 14,437.50
  4. Step 4: Simplify right side
    39,395.61x = 853,163,994.38
  5. Step 5: Solve for x
    x = 853,163,994.38/39,395.61
  6. Step 6: Final answer
    x = 21,656.32

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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.