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Finding the Fourth Proportional to 39,602.90, 59,384.91 and 14,641.94

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Solution

The fourth proportional to 39,602.90, 59,384.91 and 14,641.94 is: 21,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,602.90 : 59,384.91 = 14,641.94 : x
  2. Step 2: Convert to fraction form
    39,602.90/59,384.91 = 14,641.94/x
  3. Step 3: Cross multiply
    39,602.90x = 59,384.91 × 14,641.94
  4. Step 4: Simplify right side
    39,602.90x = 869,510,289.13
  5. Step 5: Solve for x
    x = 869,510,289.13/39,602.90
  6. Step 6: Final answer
    x = 21,955.72

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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.