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Finding the Fourth Proportional to 59,892.60, 89,838.90 and 53,153.40

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Solution

The fourth proportional to 59,892.60, 89,838.90 and 53,153.40 is: 79,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,892.60 : 89,838.90 = 53,153.40 : x
  2. Step 2: Convert to fraction form
    59,892.60/89,838.90 = 53,153.40/x
  3. Step 3: Cross multiply
    59,892.60x = 89,838.90 × 53,153.40
  4. Step 4: Simplify right side
    59,892.60x = 4,775,242,987.26
  5. Step 5: Solve for x
    x = 4,775,242,987.26/59,892.60
  6. Step 6: Final answer
    x = 79,730.10

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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.