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Finding the Fourth Proportional to 70,503.95, 97,300.40 and 40,293.74

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Solution

The fourth proportional to 70,503.95, 97,300.40 and 40,293.74 is: 55,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,503.95 : 97,300.40 = 40,293.74 : x
  2. Step 2: Convert to fraction form
    70,503.95/97,300.40 = 40,293.74/x
  3. Step 3: Cross multiply
    70,503.95x = 97,300.40 × 40,293.74
  4. Step 4: Simplify right side
    70,503.95x = 3,920,596,331.53
  5. Step 5: Solve for x
    x = 3,920,596,331.53/70,503.95
  6. Step 6: Final answer
    x = 55,608.18

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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.