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Finding the Fourth Proportional to 45,957.62, 63,426.16 and 28,063.10

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Solution

The fourth proportional to 45,957.62, 63,426.16 and 28,063.10 is: 38,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,957.62 : 63,426.16 = 28,063.10 : x
  2. Step 2: Convert to fraction form
    45,957.62/63,426.16 = 28,063.10/x
  3. Step 3: Cross multiply
    45,957.62x = 63,426.16 × 28,063.10
  4. Step 4: Simplify right side
    45,957.62x = 1,779,934,670.70
  5. Step 5: Solve for x
    x = 1,779,934,670.70/45,957.62
  6. Step 6: Final answer
    x = 38,729.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.