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Finding the Fourth Proportional to 60,699.30, 91,048.95 and 55,256.10

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Solution

The fourth proportional to 60,699.30, 91,048.95 and 55,256.10 is: 82,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,699.30 : 91,048.95 = 55,256.10 : x
  2. Step 2: Convert to fraction form
    60,699.30/91,048.95 = 55,256.10/x
  3. Step 3: Cross multiply
    60,699.30x = 91,048.95 × 55,256.10
  4. Step 4: Simplify right side
    60,699.30x = 5,031,009,886.10
  5. Step 5: Solve for x
    x = 5,031,009,886.10/60,699.30
  6. Step 6: Final answer
    x = 82,884.15

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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.