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Finding the Fourth Proportional to 40,798.48, 56,302.76 and 22,894.78

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Solution

The fourth proportional to 40,798.48, 56,302.76 and 22,894.78 is: 31,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,798.48 : 56,302.76 = 22,894.78 : x
  2. Step 2: Convert to fraction form
    40,798.48/56,302.76 = 22,894.78/x
  3. Step 3: Cross multiply
    40,798.48x = 56,302.76 × 22,894.78
  4. Step 4: Simplify right side
    40,798.48x = 1,289,039,303.59
  5. Step 5: Solve for x
    x = 1,289,039,303.59/40,798.48
  6. Step 6: Final answer
    x = 31,595.28

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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.