Finding the Fourth Proportional to 42,440,106.13, 58,567,347.06 and 23,124,522.13
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Solution
The fourth proportional to 42,440,106.13, 58,567,347.06 and 23,124,522.13 is: 31,911,840.86
Step by Step Solution
- Step 1: Write the proportion equation
42,440,106.13 : 58,567,347.06 = 23,124,522.13 : x - Step 2: Convert to fraction form
42,440,106.13/58,567,347.06 = 23,124,522.13/x - Step 3: Cross multiply
42,440,106.13x = 58,567,347.06 × 23,124,522.13 - Step 4: Simplify right side
42,440,106.13x = 1,354,341,912,891,523.75 - Step 5: Solve for x
x = 1,354,341,912,891,523.75/42,440,106.13 - Step 6: Final answer
x = 31,911,840.86
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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.