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Finding the Fourth Proportional to 50,907.72, 76,295.72 and 28,417.84

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Solution

The fourth proportional to 50,907.72, 76,295.72 and 28,417.84 is: 42,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,907.72 : 76,295.72 = 28,417.84 : x
  2. Step 2: Convert to fraction form
    50,907.72/76,295.72 = 28,417.84/x
  3. Step 3: Cross multiply
    50,907.72x = 76,295.72 × 28,417.84
  4. Step 4: Simplify right side
    50,907.72x = 2,168,159,746.93
  5. Step 5: Solve for x
    x = 2,168,159,746.93/50,907.72
  6. Step 6: Final answer
    x = 42,590.00

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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.