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Finding the Fourth Proportional to 74,341.94, 102,566.88 and 47,500.16

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Solution

The fourth proportional to 74,341.94, 102,566.88 and 47,500.16 is: 65,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,341.94 : 102,566.88 = 47,500.16 : x
  2. Step 2: Convert to fraction form
    74,341.94/102,566.88 = 47,500.16/x
  3. Step 3: Cross multiply
    74,341.94x = 102,566.88 × 47,500.16
  4. Step 4: Simplify right side
    74,341.94x = 4,871,943,210.70
  5. Step 5: Solve for x
    x = 4,871,943,210.70/74,341.94
  6. Step 6: Final answer
    x = 65,534.25

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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.