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Finding the Fourth Proportional to 45,657.59, 68,492.88 and 14,070.24

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Solution

The fourth proportional to 45,657.59, 68,492.88 and 14,070.24 is: 21,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657.59 : 68,492.88 = 14,070.24 : x
  2. Step 2: Convert to fraction form
    45,657.59/68,492.88 = 14,070.24/x
  3. Step 3: Cross multiply
    45,657.59x = 68,492.88 × 14,070.24
  4. Step 4: Simplify right side
    45,657.59x = 963,711,259.89
  5. Step 5: Solve for x
    x = 963,711,259.89/45,657.59
  6. Step 6: Final answer
    x = 21,107.36

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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.