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Finding the Fourth Proportional to 48,330.70, 72,457.65 and 26,442.70

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Solution

The fourth proportional to 48,330.70, 72,457.65 and 26,442.70 is: 39,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,330.70 : 72,457.65 = 26,442.70 : x
  2. Step 2: Convert to fraction form
    48,330.70/72,457.65 = 26,442.70/x
  3. Step 3: Cross multiply
    48,330.70x = 72,457.65 × 26,442.70
  4. Step 4: Simplify right side
    48,330.70x = 1,915,975,901.66
  5. Step 5: Solve for x
    x = 1,915,975,901.66/48,330.70
  6. Step 6: Final answer
    x = 39,643.04

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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.