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Finding the Fourth Proportional to 60,055.04, 89,907.54 and 57,780.56

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Solution

The fourth proportional to 60,055.04, 89,907.54 and 57,780.56 is: 86,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,055.04 : 89,907.54 = 57,780.56 : x
  2. Step 2: Convert to fraction form
    60,055.04/89,907.54 = 57,780.56/x
  3. Step 3: Cross multiply
    60,055.04x = 89,907.54 × 57,780.56
  4. Step 4: Simplify right side
    60,055.04x = 5,194,908,009.42
  5. Step 5: Solve for x
    x = 5,194,908,009.42/60,055.04
  6. Step 6: Final answer
    x = 86,502.45

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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.