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Finding the Fourth Proportional to 27,159.95, 40,729.93 and 9,386.12

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Solution

The fourth proportional to 27,159.95, 40,729.93 and 9,386.12 is: 14,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,159.95 : 40,729.93 = 9,386.12 : x
  2. Step 2: Convert to fraction form
    27,159.95/40,729.93 = 9,386.12/x
  3. Step 3: Cross multiply
    27,159.95x = 40,729.93 × 9,386.12
  4. Step 4: Simplify right side
    27,159.95x = 382,295,783.46
  5. Step 5: Solve for x
    x = 382,295,783.46/27,159.95
  6. Step 6: Final answer
    x = 14,075.72

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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.