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Finding the Fourth Proportional to 30,888.41, 46,328.48 and 8,703.50

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Solution

The fourth proportional to 30,888.41, 46,328.48 and 8,703.50 is: 13,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.41 : 46,328.48 = 8,703.50 : x
  2. Step 2: Convert to fraction form
    30,888.41/46,328.48 = 8,703.50/x
  3. Step 3: Cross multiply
    30,888.41x = 46,328.48 × 8,703.50
  4. Step 4: Simplify right side
    30,888.41x = 403,219,968.23
  5. Step 5: Solve for x
    x = 403,219,968.23/30,888.41
  6. Step 6: Final answer
    x = 13,054.08

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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.