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Finding the Fourth Proportional to 32,488.16, 48,703.76 and 15,612.76

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Solution

The fourth proportional to 32,488.16, 48,703.76 and 15,612.76 is: 23,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,488.16 : 48,703.76 = 15,612.76 : x
  2. Step 2: Convert to fraction form
    32,488.16/48,703.76 = 15,612.76/x
  3. Step 3: Cross multiply
    32,488.16x = 48,703.76 × 15,612.76
  4. Step 4: Simplify right side
    32,488.16x = 760,399,974.70
  5. Step 5: Solve for x
    x = 760,399,974.70/32,488.16
  6. Step 6: Final answer
    x = 23,405.45

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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.