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Finding the Fourth Proportional to 64,013.95, 88,337.40 and 35,719.03

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Solution

The fourth proportional to 64,013.95, 88,337.40 and 35,719.03 is: 49,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,013.95 : 88,337.40 = 35,719.03 : x
  2. Step 2: Convert to fraction form
    64,013.95/88,337.40 = 35,719.03/x
  3. Step 3: Cross multiply
    64,013.95x = 88,337.40 × 35,719.03
  4. Step 4: Simplify right side
    64,013.95x = 3,155,326,240.72
  5. Step 5: Solve for x
    x = 3,155,326,240.72/64,013.95
  6. Step 6: Final answer
    x = 49,291.23

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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.