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Finding the Fourth Proportional to 58,208.76, 80,264.52 and 39,313.08

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Solution

The fourth proportional to 58,208.76, 80,264.52 and 39,313.08 is: 54,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,208.76 : 80,264.52 = 39,313.08 : x
  2. Step 2: Convert to fraction form
    58,208.76/80,264.52 = 39,313.08/x
  3. Step 3: Cross multiply
    58,208.76x = 80,264.52 × 39,313.08
  4. Step 4: Simplify right side
    58,208.76x = 3,155,445,495.92
  5. Step 5: Solve for x
    x = 3,155,445,495.92/58,208.76
  6. Step 6: Final answer
    x = 54,209.12

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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.